Java Champion Bios — oracle-tech

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Java Champion Bios

Oezcan Acar (Dec '09, Turkey)
Oezcan hails from Turkey, the first Java Champion from Turkey, but spends most of his time living in Germany where he is an active Java consultant. Oezcan is well known as a regional speaker in Turkey, speaking at the many of the Universities there. Oezcan is a freelancer on Java/J2EE and agile development with nearly twelve years of Java experience. He writes books on Java. His latest book is about Extreme Programming. He is the founder of JUG Turkey (http://www.JugTR.org), the first JUG in Turkey. He is an architect, developer, coach, author and tutor on Java.

Dan Allen (Mar '13, USA)
Dan Allen (aka mojavelinux) is an open source and standards advocate, community catalyst, author, speaker and innovator. He works at Red Hat as a Principal Software Engineer. In that role, he serves as the Arquillian community manager, contributes to various open source projects (including Arquillian, Asciidoctor, Awestruct and JBoss Forge), participates in the JCP and is on a mission to simplify software testing and documentation. He draws on his experience with the Arquillian project to help a variety of open source projects become wildly successful. He's also the author of Seam in Action (Manning, 2008), has written technical articles for various publications and is an internationally recognized speaker. After a long conference day, you'll likely find Dan chatting about tech and community with fellow community members over a Trappist beer.  Follow Dan on Twitter @mojavelinux.

Dion Almaer (Nov '05, USA)
Dion Almaer is the founder and CTO of Adigio, Inc. Dion has many contributions to the Java Community: he is a Java architect/consultant; conference speaker; mentor; pragmatic; founder of Ajaxian.com (leading news source and community around the Ajax technology); and, an evangelist of technologies such as J2EE, JDO, AOP, and Groovy. Dion contributes online articles and weblog content on the O'Reilly Network. He is a member of the Java Community Process, where he participates on various expert groups. Dion is also a JavaOne RockStar.

Andres Almiray (Oct '10, Mexico)
Andres is a Java/Groovy developer with more than 11 years of experience in software design and development. He has been involved in web and desktop application developments since the early days of Java. He has also been teacher of computer science courses in the most prestigious education institute in Mexico. His current interests include Groovy, Scala and Swing. He is a true believer of open source and has participated in popular projects like Groovy, Griffon, JMatter and DbUnit, as well as starting his own projects. Founding member and current  lead of the Griffon framework. He speaks regularly at well- known Java/Groovy related conferences like JavaOne, JavaZone, EclipseCon, Oredev, SpringOne2GX and Gr8conf.

Deepak Alur (Apr '06, USA)
Deepak Alur is currently the VP of Product and Engineering at JackBe.com since 2005. Prior to JackBe, he spent 10 years at Sun Microsystems, working on Java, J2EE, Enterprise Architecture and Web Services. He was Sun's Lead Architect for eBay's V3 project to build their next generation auction platform based on Java. He worked with many premier enterprises as a consulting architect to help design and implement highly scalable mission critical applications. Deepak is recognized for his contribution to the Java Community as the co-author of the widely adopted industry standard book on J2EE patterns, best practices and refactorings - Core J2EE Patterns: Best Practices and Design Strategies, published by Prentice Hall. His current passionate focus is on Enterprise Mashups, Web/Mobile Apps, and Enterprise App Store and is responsible for JackBe's award winning enterprise mashup & Apps platform called Presto. You can follow him on Twitter at @deepakalur.

Gail C. Anderson (Dec '16, USA)

Gail is the Director of Research and founding member of the Anderson Software Group, a leading provider of training courses in Java 8, JavaFX, and other programming languages. Gail enjoys researching and writing about leading-edge Java technologies. She is the co-author of eight textbooks on software programming, including JavaFX Rich Client Programming on the NetBeans Platform. Gail has conducted Technical Sessions and Hands-on Labs at JavaOne and NetBeans Day conferences in San Francisco, Europe, and Latin America. Gail is a Java Champion and a member of the NetBeans Dream Team. For more information about Gail, visit asgteach.com, the Anderson Software Group on Facebook, and @gail_asgteach on Twitter.

Paul L. Anderson (Dec '16, USA)

Paul is the Director of Training and founding member of the Anderson Software Group, a leading provider of training courses in Java 8, JavaFX, and other programming languages. Paul is an experienced speaker and specializes in making the technical aspects of software engineering fun and understandable. He is the co-author of eight textbooks on software programming, including JavaFX Rich Client Programming on the NetBeans Platform. Paul has conducted Technical Sessions and Hands-on Labs at JavaOne and NetBeans Day conferences in San Francisco, Europe, and Latin America. Paul is a Java Champion and a member of the NetBeans Dream Team.  He is also the author of LiveLesson videos on JavaFX Programming and Java Reflection. For more information about Paul, visit asgteach.com, the Anderson Software Group on Facebook, and @paul_asgteach on Twitter.

Fernando Anselmo (Dec '06, Brazil)
Since 1987, Fernando has worked in systems development for many IT companies in Brazil. He is the author of (10) Java books (in portuguese) and several articles for Brazilian developer magazines like MundoJava. He is and active mentor and teacher for Java newbies and experts alike in his native Brazil. Fernando is a frequent speaker on several important IT seminars in Brazil;  a Systems Analyst for the Technology Director at Politec Inc (one of Brazil's leading IT companies).; lead code contributor for the socio-humanitarian Project Rybena (Java Mobile devices for the hearing impaired); Java Instructor for X25 Informatica; Coordinator for the Brasilia Java Users Group (DFJUG); moderator for the DFJUG online forum; and finally, he's leading the translation effort of Java Educational & Development Initiative (JEDI) to the Portuguese language for DFJUG TV

Paris Apostolopoulos and Panos Konstantinidis (Mar '07, Greece)

Both Paris and Panos are the Co-founders and JUG leaders for the Hellenic Java User Group (JHUG) in Athens, Greece. They have been working with other Java Champions like Dr. Heinz Kabutz and Patrick Linskey in a series of JUG-sponsored developer events held in Athens to build-up the Java developer community in Greece. Both Paris and Panos are active developers themselves and they have been working as a team for the last (4) years organizing their JUG meetings and "mini-tech day" events. Paris will be co-speaker at the JUG community's JavaOne Birds-of-a-Feather BOF-1382 (2007) event. Panos maintains a blog here. And Paris' Blog is here.

Anton Arhipov (Oct '14, Estonia)
Anton is a software engineer and a product manager at ZeroTurnaround. His professional interests include everything in Java, but also other programming languages, middleware, and developer tooling. Anton is also involved with GeekOut Java conference and DevClub.eu meetup organization in Tallinn, Estonia. He blogs at http://arhipov.blogspot.com, speaks at Java conferences and writes articles for RebelLabs. He tweets from @antonarhipov handle

Jean-François Arcand (May '18, Canada)

Jeanfrancois is currently freelancer at Async-IO.org. He is the creator of Atmosphere, a framework for building powerful WebSockets and event-driven applications. He is also the original author of the Grizzly Framework, the powerful NIO front end used by the GlassFish Application Server, and AsyncHttpClient, an asynchronous HTTP client library. He also co-founded Yulplay, the company behind Doodgame, a real-time social sports predictions application.

Sergey Astakhov (Nov '05, Russian Federation)
Sergey has been very influential in the Russian Java community and he is being recognized for his Java work on Russian letters/characters. For the most of the US developers byte and char are the same datatypes, because they use only Latin letter and numbers. But in Russia they have three heavily used national encoding formats, so I18N issues are very important for Russian developers. Most Russian Java developers have probably read Sergey's article "Java: Russian letters and more..." (sorry, only in Russian). Furthermore, Sergey is acknowledged for his assistance with Russian Letters in this popular book on XML: "Processing XML with Java" by Elliotte Rusty Harold (Addison-Wesley)

Calvin Austin (Nov '05, USA)
Calvin is a Java architect, a member of a JCP 176 expert group, and the JDK 1.5 Specification Leader. In fact, Calvin knows most of the Java SE 1.5 expert group members, and he works with SpikeSource, open source enterprise solution provider. He wrote a popular article on java.sun.com: "Five Reasons to Move to the J2SE 5 Platform". Calvin is well-known in the Java community and a noteworthy Champion of the Java Platform.

Hovhannes Avoyan (Dec '05, Armenia)
Hovhannes Avoyan is a computer science veteran with 24 years of programming and management experience. He is a member of ACM, IEEE, Computer Society, and ACM Special Interest Group on Software Engineering; senior lecturer at the American University of Armenia; visiting lecturer at San Francisco State University; concurrent lectureships at State Engineering University of Armenia and Yerevan State University; he designed their new curricula focusing on Java and Internet technologies; his newest venture: Sourcio an R&D lab plus IT consulting company specializing in open-source products/technologies. Previously, he was General Manager and Director of Development at Lycos Europe. Avoyan graduated Bertelsmann University's Senior Executive's program at Harvard Business School; president of Armenian IT association UITE; founder and Board member of Open Source Armenia project.

Fernando Babadopulos (Dec '17, Brazil)

Fernando Babadopulos is a Brazilian software architect, entrepreneur, and enthusiast of new technologies; he was responsible for developing some of the most popular web applications in Brazil and abroad. With more than 15 years of experience with the internet, Babadopulos specializes in the creation and design of high-performance systems. He was a pioneer in using Java for Big Data applications and He is a frequent speaker and participant in developer conferences worldwide. He holds a master's degree in information engineering from the Federal University of ABC and a BS in computer science from the University Center of FEI.

Paul Bakker (Dec '17, USA)

Paul started his Java career building Applets while still in high school in the Netherlands. 15 years or so later he lives in the Bay Area working for Netflix. He has published two books, "Modular Cloud Apps with OSGi" and "Java 9 Modularity" and has given countless talks at Java conferences around the world.

Bert Bates (Founding Member, USA)
Well-known Java author. Bert Bates spent the last twenty years as a software developer, with much of that designing and architecting expert systems. He is the co-creator of the Head First series, and works on all of the Head First books.

Monica Beckwith (Dec '17, 2018 USA)

Monica Beckwith (USA) has a Master's in Electrical and Computer Engineering and is a Java performance engineer specializing in OpenJDK/OracleJDK HotSpot. She has made various contributions to HotSpot's Virtual Machine (Java VM) and Garbage Collectors (GCs). Monica provides consultancy through Code Karam LLC and has co-authored the 'Java Performance Companion' book. She is currently working on 'Inside Java 9' to be released in early 2018 by Addison Wesley. She is also the author of 'Advanced Java Performance: Hotspot GC Tuning LiveLessons'. Monica, a JavaOne RockStar, is a regular speaker at various universities, institutions, conferences and podcasts. She also frequently publishes articles related to the field of Java and Java VM/GC internals. Monica is passionate about STEM and loves volunteering her time in coaching kids in the field of (Java) programming and more recently, Lego Robotics.

Lucio Benfante (Jul '06, Italy)
Lucio is the JUG Leader for JUG Padova in Italy. He contributes technical content through his JUG's website as well as other online forums like SourceForge. He he written online articles regarding Hibernate, Spring, Java SE Mustang (SplashScreen), and Apache Maven. His interests include Java Server Pages, Ruby, Object-Oriented Applications using Java Technology, Database Semantics, working with students at the local University (Universita di Padova), and Astronomical Data Analysis; he is a Sun Certified Programmer (2001). He collaborates with fellow Italian JUG leaders at the regional "Java Day".

Geert Bevin (Jul '06, Belgium)
Geert Bevin is the CEO of Uwyn a small custom application development company with a strong focus on web applications, opensource, Java, and rich internet technologies. He is the founder of the RIFE project which provides a full-stack Java web application framework for quickly building maintainable applications withsustainable developer productivity. He also started or contributed to projects like Bla-bla List, OpenLaszlo, Drone, Bamboo, JavaPaste, Elephant, RelativeLayers, Havana, and Gentoo Linux. Geert has also presented technical sessions at O'Reilly European Open Source Convention '06, JavaPolis, TSSJS Las Vegas 2006, TSSJS Europe 2006, Java in Action, JavaZone, and JavaOne.

Emmanuel Bernard (Feb '17, France)

Emmanuel lives in France and has been an Open Source developer for almost as long as a Java developer. He is either contributor to all and founder of some of the Hibernate projects. He does not stop here and contributes to various other OSS endeavors. He is a member of the JCP as spec lead and expert group member. He also hosts Les Cast Codeurs podcast where he mixes French and Java. He works for Red Hat as Data Platform Architect. Follow him @emmanuelbernard

Adam Bien (Jan '07, Germany)
Bien is an independent speaker, software architect, developer, consultant and author in Germany. He has worked with Java SE and EE since the beginning (JDK 1.0, Java Web Server) and he implements Java technology in large scale IT projects. He wrote several books (in German) about Java and J2EE technology ("J2EE Patterns", "J2EE HotSpots", "Enterprise Java Frameworks","Struts", "Enterprise Architekturen" and "Java EE 5 Architectures), and is also involved in embedded Java and P2P technology. Adam is a JCP member as well as JCP individual member (Project Group leader) Adam's blog.

Xu Bin (Oct '05, China)
Tsinghua University, China. Mr. Bin Xu is a staff member and lecturer for the Sun Java Training Center at Tsinghua University in China. Xu Bin is an assistant professor at the university, having graduated from there with a degree in Computer Science. He began teaching Java Programming back in 1999, and since then over 2000 students have benefited from his courses. He is an expert adviser to the Ministry of Education in China on the Java content of the National Computer Ranking Examination, and the author of three Chinese language books on Java programming. He's the faculty adviser to the Java Users Group (JUG) at Tsinghua University. But perhaps most of all, Xu Bin is helping to bridge the digital divide one student at a time. He is a tireless advocate of Java technology in China, leveraging NetBeans within the Chinese education system to teach students cutting edge software engineering, and train his colleagues to do the same.

David Blevins (May '15, USA)
David Blevins is a veteran of Open Source Java EE in both implementing and defining Java EE specifications for over 10 years with a strong drive to see Java EE simple, testable and as light as Java SE. He is a member of the Apache Software Foundation and co-founder of the OpenEJB (1999), Geronimo (2003), and TomEE (2011) projects.  David founded the company Tomitribe (2012) to fuel the Open Source communities he's helped create.David is a Passionate JCP supporter and member of the EJB 3.0, 3.1, 3.2, JavaEE 6, 7, 8 and Java EE Security Expert Groups.  He is a JavaOne 2012 & 2013 RockStar award winner and regular speaker at JavaOne, Devoxx, ApacheCon, OSCon, JAX and Java-focused conferences.  David is also a contributing author to Component-Based Software Engineering: Putting the Pieces Together from Addison Wesley.

Joshua Bloch (Dec '05, USA)
Joshua Bloch is a Principal Engineer at Google. He was previously a Distinguished Engineer at Sun Microsystems and a Senior Systems Designer at Transarc. He led the design and implementation of numerous Java platform features, including the JDK 5.0 language enhancements and the Java Collections Framework. He is the author of the Jolt Award-winning book Effective Java. He holds a Ph.D. in Computer Science from Carnegie-Mellon University and a B.S. in Computer Science from Columbia. Josh is also a JavaOne Rockstar.

David Bock (Jan '06, USA)
David Bock is the Technical Director of the Federal Domain at FGM, Inc. where he works on several projects, including software to track the import and export of hazardous materials and an information system for tracking the removal of minefields. An active contributor to the Java Community, David is the President of the Northern Virginia Java Users Group; a member of several JCP Expert Groups (JSR 270, 277); and, he regularly gives technical presentations in venues such as the No Fluff Just Stuff conference series.

Jonas Bonér (Feb '11, Sweden)
Jonas Bonér is a entrepreneur, programmer, teacher, mentor, speaker and author who spends most of his time hacking on open source and lecturing and speaking at developer conferences world-wide. He has worked at Terracotta, the JRockit JVM at BEA and is an active contributor to the Open Source community; most notably created the Akka Project, AspectWerkz Aspect-Oriented Programming (AOP) framework, committer to the Terracotta JVM clustering technology and been part of the Eclipse AspectJ team. Read his blog http://jonasboner.com and follow him @jboner.

Simone Bordet (Jan '16, Italy)

Simone Bordet works as Lead Architect at Webtide, supporting the open source Jetty and CometD projects. Simone co-leads the Java User Group of Torino, Italy and specializes in server-side multi-thread development, web network protocols and in high performance JVM tuning. Follow Simone on Twitter @simonebordet.

Bruno Bossola (Nov '05, Italy)
JUG Torino Leader. Bruno is quite active in the Italian Java community and in several regional developer events in Europe. In addition to being the JUG Torino Leader, he contributes online articles and tutorials through the JUG's website. Bruno also presents technical sessions at other Italian JUGs and at regional developer conferences. Recently, Bruno (Picture) presented at JavaDay 2006 in Turin (Torino); JavaDay is a developer event sponsored by the Torino JUG (www.jugtorino.it -- More); Bruno also attended the annual JavaConference sponsored by Sun Microsystems Italy. (Picture)

Vincent Brabant (Founding Member, Belgium)
Java Engineer. Vincent is one of the most active community members for NetBeans.org. He is a member of http://java.developpez.com, a french Java forum with a lot of french java tutorials. He's done French translation for other NetBeans.org initiatives and articles. Vincent also represents NetBeans at many conferences.

Daniel Bryant (May '18, UK)

Daniel Bryant works as an Independent Technical Consultant and currently specializes in enabling continuous delivery within organizations through the identification of value streams, creation of build pipelines, and implementation of effective testing strategies. Daniel’s technical expertise focuses on ‘DevOps’ tooling, cloud/container platforms, and microservice implementations. He also contributes to several open source projects, writes for InfoQ, O’Reilly, and Voxxed, and regularly presents at international conferences such as OSCON, QCon, and JavaOne.

Bill Burke (Founding Member, USA)
Well known author and blogster. Bill Burke has a history of implementing middleware starting with when he was introduced to DCE while at the parent company of Open Environment Corporation. He later went on to be a core member of the Orbix2000 team at Iona, where he helped them build some of their CORBA products. After Iona, Bill was introduced to JBoss while building a large marketing J2EE application at an internet startup. As Chief Architect, Bill is closely involved with clustering, the EJB container, and JBoss's Aspect-Oriented Middleware. He also sits on the EJB 3.0 expert committee as JBoss Inc.'s representative. Bill is the co-author of O'Reilly's JBoss 3.2 Workbook and has numerous other in-print and online publications.

Mert Caliskan (Oct '14, Turkey)
Mert Caliskan is a Principle Software Architect living in Ankara, Turkey. He has over 10+ years of expertise in software development with the architectural design of Enterprise Java web applications. He is an open source advocate for software projects such as PrimeFaces, and has also been committer and founder to various others. He is the co-author of PrimeFaces Cookbook by Packt Publishing. He is the co-author of Beginning Spring by Wiley Publications. He is also working as an author for RebelLabs. He is the founder of AnkaraJUG, which is the most active JUG in Turkey. He is part-time lecturing at Hacettepe University about Enterprise Web Applications' Architecture and Web Services. He shares his knowledge at national and international conferences like JDays 2015, JavaOne 2013, JDC2010 and JSFDays'08. Follow Mert @mertcal

Mike Cannon-Brookes (May '06, Australia)
Mike Cannon-Brookes is the founder of Atlassian, a leading Java EE software development and professional services company based in Sydney, Australia. Mike was nominated for his co-authorship of "Java Open Source Program", as a technical presenter at leading java developer conferences, and his involvment in Atlassian's JIRA issue (java-based)tracker. He also manages the java.blogs forum online community and recently released Confluence, the professional Java EE wiki. He is also the founder of the global OpenSymphony group, which produces Open Source Java EE components such as OSCache, WebWork, SiteMesh and OSWorkflow, as well as a major driver of the Weblog phenomenon through Atlassian's creation of the javablogs.com blog community.

Tasha Carl (July '13, Belgium)
Tasha has been a freelance Java/Web developer and software architect since 1997 in Brussels, Belgium. She is founder of the Brussels Java User Group, now co-JUG leader and involved in many other activities that are described more in detail on her web page - http://www.lucubratory.eu/.  Follow Tasha @lmifos.

Magno Cavalcante (Sep '06, Brazil)
Magno Cavalcante is a System Engineer, Java Community Leader and Java Certified Professional, acting in project management and development, with more than 6 years of experience only in Java Standard and Java Enterprise Edition environments, and currently working as a senior consultant in a big Brazilian oil company. Magno is a recognized instructor of Java technologies and the coordinator-founder of Rio deJaneiro JUG (www.riojug.org), one of the Brazil's biggest JUGs, promoting and expanding the Java technology into developers and students, and acting as developer in others projects java.net.

Stephen Chin (July '09, USA) (Alumnus)
Open-Source Developer and Agile Manager, Stephen Chin is founder of numerous projects including WidgetFX and JFXtras. He has been working with Java desktop and enterprise technologies for over a decade, and has a passion for improving development technologies and process. Stephen's interest in Java technologies has lead him to start a Java and JavaFX focused blog and coauthor the Pro JavaFX Platform book together with Jim Weaver, Weiqi Gao, and Dean Iverson. Stephen is a regular speaker at Java User Groups and Conferences and was also a 2009 JavaOne Rock Star. In 2012, he became a Java Technology Evangelist at Oracle.

Cagatay Civici (Dec '17, Turkey)

Çağatay Çivici is a member of JavaServer Faces Expert Group, the founder and project lead of popular PrimeFaces Component Suite and PMC member of open source JSF implementation Apache MyFaces. He’s a recognized speaker in international conferences such as JavaOne, SpringOne, JAX, Jazoon, Confess, JSFSummit and many local events such as JUGs. Cagatay is also an author and technical reviewer of couple of books regarding web application development with Java and JSF. As an experienced trainer, he has trained over 300 developers on Java EE technologies mainly JSF, Spring, EJB 3.x and JPA. Cagatay is currently working as a consultant, mentor and instructor for Prime Teknoloji in Turkey.

Jeff Cobb (Oct '05, USA)
Jeff Cobb is being recognize his involvement on the JSR 163 Expert Group as the representative for Wily Technology. The JSR 163 elements provided additional features to the monitoring and management specifications for the Java Virtual Machine (JVM). He led the team which designed the java.lang. instrument package. His team implemented it; donated it; and, then Sun incorporated it into the Java SE 5.0 release.

Flavia Coelho (Jan '06, Brazil)
Flavia Coelho has been teaching Java at the Rural Federal University of Semi-arid (UFERSA) . Her speciality is in the advanced research of distributed computation and had many international publications regarding these topics. She is member of SouJava. In 2005, she was voted by the largest Brazilian IT magazine (INFO EXAME) as one of the 21 most influential IT personalities in Brazil. Her areas of interest: Java SE, Java EE, Java technologies for distributed computing and NetBeans platform.

Stephen Colebourne (Mar '07, UK)
Stephen was an early Java coder (JDK 1.0) and he's been an open source advocate since 2000. His day job involves creating travel e-commerce websites using the UK-based SITA E-Commerce Platform, so he has a keen interest in "Time" and its relation to the Java Platform, A regular project is Joda Time; and, he's the JCP Spec Lead for JSR 310: Date and Time API. Notably, he collaborates on JSR 310 with other Java Champions: Nascimento-Santos (Brazil). Bien (Germany), and Richey (USA). His community activities: JavaOne '07 BOF session on JSR 310; a Jakarta Commons committer (Collections, Lang, and IO); contributor of online articles via blog; presenter at the Belgian JUG; conducted a whiteboard session at JavaPolis 2006 (Java Language Change Ideas); and finally, he's co-authored the FCM Java closures proposal.

Roberto Cortez (August '16, Portugal)

Roberto Cortez is a passionate  Java Developer with more than 10 years of experience; mainly the Finance sector. He is involved within the Open Source Community to help other individuals spread the knowledge about Java EE technologies. He is a regular speaker at conferences like JavaOne, Devoxx, JFokus, and others, leads the Coimbra JUG in Portugal and enjoys writing blog posts. When he is not working, he hangs out with friends, plays computer games and spends time with family.  Follow him on twitter - @radcortez

Agnes Crepet (Oct '12, France)
Agnes Crepet is a passionate technologist with over 11 years of software engineering experience, especially in the Java technologies, as a Developer, Architect, Consultant and Trainer. She has been using Java since 1999, implementing multiple kinds of applications (from 20 days to 10000 men days) for different business fields (banking, retail, and pharmacy). Currently she is a Java EE Architect for a French pharmaceutical company, the homeopathy world leader.  She is also the co-founder, with other passionate Java developers, of a software company named Ninja Squad, dedicated to Software Craftsmanship. Agnes is the leader of two Java User Groups (JUG), the Lyon JUG and Duchess France and the founder of the Mix-IT Conference and the Cast-IT Podcast, two projects about Java and Agile Development. She speaks at Java and JUG conferences around the world and regularly writes articles about the Java Ecosystem for the French print Developer magazine Programmez! and for the Duchess Blog.  Follow Agnes @agnes_crepet

Holly Cummins (March 17', UK)

is a lifelong IBMer, based in the UK, with a personal passion for running Java in unexpected places. She was the first person (and remains the only person, for obvious reasons) to embed a JEE application server in a hat and a cuddly throwable ball. She is the technical lead of IBM’s London Bluemix Garage, where she helps customers innovate on the cloud. She was previously delivery lead for IBM's WebSphere Liberty application server, and she also is a committer on the Apache Aries Enterprise OSGi project. Holly is a co-author of Enterprise OSGi in Action. Follow her on Twitter  @holly_cummins

Ian F. Darwin (Founding Member, Canada)
Author, Developer, Trainer, Mentor. Ian F. Darwin is a well known speaker and O'Reilly book author who has worked in the computer industry for decades and with Java since 1995. Ian wrote the freeware file(1) command used on Linux and BSD and is the author of Checking C Programs with Lint, Java Cookbook, Checking Java Programs, co-author of the first edition of Tomcat: The Definitive Guide, and is the editor and senior author of O'Reilly's Android Cookbook. He's written over a hundred articles and several courses (both university and commercial) on C, Unix and Java.  Attendees at JavaOne 2007 rated him a Rock Star Speaker for his talk on Java Testing Tools.  In addition to programming and consulting, Ian teaches Unix, and Java regularly for Learning Tree International, one of the world's largest technical training companies.  99% of his computers run OpenBSD Unix. Currently, he is available for consulting through RejmiNet Group Inc.

Sebastian Daschner (May '16, Germany)

Sebastian is working as a Java Enterprise freelancer based in Munich. He has more than 6 years of Java experience, contributes to various open source projects and participates in the JCP as an individual member. Sebastian evangelizes computer science practices on https://blog.sebastian-daschner.com and on Twitter via @DaschnerS. When not working with Java, he also loves to travel the world -- either by plane or motorbike.

Paul J. Deitel (Dec '05, USA)
Paul J. Deitel, CEO of Deitel & Associates, is the author of dozens of programming-language textbooks and professional books, and an experienced corporate trainer, having taught hundreds of Java (and other programming languages) courses at companies worldwide. He has also lectured on Java and C++ for the Boston Chapter of the Association for Computing Machinery. --- Paul shares an interesting history with the early Java Platform. In 1996, while Java 1.0 was still in beta, the demand for Java training skyrocketed. Mr. Deitel had been teaching most of Sun Education's C and C++ programming classes; he was then asked to learn Java and start teaching it right away. After 3 intense weeks of Java "bootcamp" at Sun, Mr. Deitel then started teaching Java nationwide for Sun Education and for his own clients. In fact, with one phone call, Sun booked almost all of Paul's consulting time for 6 straight months! ...."So, that's how I got into Java training -- trial by fire", Paul Deitel. Mr. Deitel continued to teach 30 to 35 five-day Java courses per year for many years. Since 1996, Paul and his father Harvey have produced nine editions of their best-selling textbook Java How to Program. Paul's Java Fundamental's LiveLessons video can typically be found at the top of the video charts on http://SafariBooksOnline.com. You can learn more about Paul and his company at www.deitel.com or by following him on Facebook and Twitter (@deitel).

Valere Dejardin (Founding Member, France)
Java Engineer. Valere is well known NetBeans/Creator champion. Valere resides in France.

Daniel De Luca (Dec '15, Belgium)

Daniel is the worldwide manager of the Devoxx4Kids initiative and co-organizer of Devoxx4Kids Events in Belgium. Passionate about Software Architecture, Java SE/EE and IT in general, Daniel love to share his passion to children, showing them how they can become the wizards of tomorrow. Daniel is also Steering Member of the Devoxx BE conference, Steering Member of BeJUG and Freelance. Follow him on Twitter @danieldeluca Website is http://www.devoxx4kids.org

Daniel deOliveira (Founding Member of the Java Champion program)  (Deceased)
Daniel deOliveira (Dr. JUG) was a JUG Leader, Java Champion, and Duke's Choice Award winner. He was an educational researcher with an MSc in Knowledge Management and Information Technology and  worked on his PhD in Computer Science at the University of Kent (UK) studying the dynamics of Java User Groups. He was also an author and international speaker who gave several presentations at JavaOne conferences in the US and at other events in Brazil, India, Ireland, Scotland, and South Africa. Additionally, he was one of the creators of the Rybená solution, a mobile app that transforms spoken words into sign language, and he was responsible for the Java Education and Development Initiative in Brazil (JEDI-BR), a free Java engineering massive open online course (MOOC) program. Celebrating his legacy

Jose Diaz (Sept ’18, Peru)

Software Architect and Independent Consultant, Founder of JoeDayz.pe and PERU JUG Leader.

• Software Architect offering 17+ years of IT industry experience in delivering full-scale IT projects in various industries like Logistics, Insurance, Financial, Banking, Government and Education.

• Proficient in Software Development Life Cycle (SDLC) and Agile methodologies of development process such as requirement analysis & definition, prototyping, proof of concept, designing, coding, testing and implementation.

• Strong hands-on experience as a Tech Lead and Developer in Java, JEE, Web and mobile development, having delivered quality enterprise-class software on schedule and within budget

Filippo Diotalevi (Nov '05, Italy)
JUG Milano Leader. Filippo Diotalevi is a freelance consultant in Milan, Italy, where he works mainly as a J2EE application developer. His chief areas of interest are patterns, aspect-oriented programming, and agile methodologies; he's the author of the JavaEE manual Java Enterprise Edition 5 - Progettazione e sviluppo di applicazioni Web (in Italian). This latest effort is an introductory manual about Java EE, aimed to Java programmers who want a simple and concise tutorial to start developing web applications; it is in Italian. Filippo is also the co-author of the IBM Redbook Direct Connections for Intra- and Inter-enterprise; a regular speaker in Italian technical conferences and author of several technical articles published on Web sites and in magazines; and, founder of the Java User Group Milano.

Jean-Michel Doudoux (Jun '14, France)
Jean-Michel started using Java from version 1.0.2.  Since then he has enjoyed sharing his knowledge about Java platforms SE/EE/ME and it's huge ecosystem. In 1999 he started writing two free books published under GNU FDL license, one about Java and the other about Eclipse. Written in French, the main book named "Développons en Java" is pretty well known by the French community around the world.  Since its creation, it has grown to more than 3000 pages. He is also co-founder of the LorraineJUG and member of the Yajug. Visit his website http://www.jmdoudoux.fr/java and follow him on Twitter at @jmdoudoux.

Julien Dubois (May '18, France)

Julien Dubois is the creator and lead developer of JHipster (https://www.jhipster.tech/), and works as the Chief Innovation Officer of Ippon Technologies (https://www.ippon.tech/). Julien has been working with Java technologies since the late 90s, wrote a best-selling book on the Spring Framework, managed the SpringSource France subsidiary, and is a frequent conference speaker. He lives in Paris, France.

Hendrik Ebbers (Jan '16, Germany)

Hendrik Ebbers is Java Architect at Canoo Engineering AG and lives in Dortmund, Germany. His main focus besides research and development is primarily in the areas of UI technologies, Middleware and DevOps. Additionally, Hendrik Ebbers is founder and leader of the Java User Group Dortmund and gives talks and presentations in User Groups and Conferences. He's blogging about UI related topics at www.guigarage.com (or on Twitter @hendrikEbbers) and contributes to some Open Source Projects: DataFX, AquaFX, and Vagrant-Binding. Hendriks JavaFX book "Mastering JavaFX 8 Controls" was released in 2014 by Oracle press. Hendrik is JavaOne Rockstar and JSR expert group member.

Bruce Eckel (Aug '06, USA)
Bruce Eckel is the author of numerous books and articles about computer programming. He also gives frequent lectures and seminars for computer programmers. His best-known works are Thinking in Java and Thinking in C++, aimed at programmers wanting to learn the Java or C++ programming languages, particularly those with little experience of object-oriented programming. His consulting company, Mindview Inc., concentrates mainly on object-oriented design assistance, but they also offer many Java-related training courses and a monthly newsletter. Bruce also organizes conferences, workshops, and seminars for software developers. Bruce was also the focus of a  JavaPosse Podcast: Part I and Part II.

Lukas Eder (Nov ’15, Switzerland)

Lukas is the founder and CEO of Data Geekery GmbH, located in St. Gallen, Switzerland. Data Geekery has been selling database products and services around Java and SQL since 2013. Lukas has always been fascinated by the interaction of Java and SQL. Most of his experience has been obtained in the Swiss E-Banking field through various variants (JDBC, Hibernate, jOOQ, mostly with the Oracle database). Lukas is happy to share this knowledge at various conferences, JUGs, in-house presentations and on his company blog. Follow him @lukaseder

Markus Eisele (Mar '14, Germany)
Markus is a software architect, developer and consultant. He works daily with customers and projects dealing with Enterprise level Java and infrastructures. This includes the Java platform and several Web-related technologies on a variety of platforms using products from different vendors. His main area of expertise are Java EE Servers. Markus is speaking at different conferences about his favorite topics. He is also part of the Java EE 7 expert group.

Badr El Houari (Nov '16, Morocco)

Badr El Houari is a senior technologist and Java developer with more than 10 years experience in designing, architecting and building efficient Java based systems for big IT companies. He co found the MoroccoJUG (Morocco Java User Group) in 2009  and co leads the MoroccoJUG to win the outstanding adopt a JSR JCP award in 2013 and join the JCP executive committee members in 2014

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