David Delabassee

David Delabassee is a Java EE / GlassFish evangelist working for Oracle. Prior to Oracle, David spent a decade at Sun Microsystems focusing on Java end-to-end (from the smart card to the high end server), related technologies and the developer tools. In his various roles, David has been involved in numerous Java projects since the early days of this technology. David lives in Belgium and in his spare time, he enjoy tinkering and playing with technologies such as Java, Arduino, Linux, Home Automation, etc. You can follow David on Twitter under @delabassee .


Siegfried Goeschl

CTO, Independent Consultant and Open Source Evangelist

Siegfried Goeschl is ASF member, Apache Turbine PMC member, Apache JSPWiki mentor, former Apache Isis mentor & Apache Common PMC. He became involved with Open Source in 2000 contributing JUnitPP (one of the first JUnit extensions ever), got involved with Maven and confused with Jelly, co-founded the maven-plugins project on SourceForge and wrote an Avalon container now being part of Apache Turbine (this makes him to the last Avalonier in this part of the universe). His professional interests are centered around writing server-side Java code, quality assurance, test-driven development and build management. If there is some time left besides his company, consulting work, Open Source software development and family he helps at the local Java User Group.


Manuel Bernhardt

Manuel is a software engineer with a passion for building web-oriented systems, both in the backend and at the front-end. He started working with Scala in 2010 after spending a long time with Java, and can’t get enough of it. He lives in Vienna where he is co-organizer of the Scala User Group. He’s enthousiastic about the Scala-based technologies and the vibrant community, and is looking for ways to spread its usage in the industry.


John Willis

VP of Customer Service and Enablement, Dell (formally Enstratius)

John Willis has worked in the IT management industry for more than 30 years. Prior to joining Dell (formally Enstratius), Willis was the VP of Solutions for DTO Solutions where he led the transition to a new suite of automated infrastructure and DevOps solutions. Prior to DTO Solutions. Willis was the VP of Training & Services at Opscode where he formalized the training, evangelism, and professional services functions at the firm. Willis also founded Gulf Breeze Software, an award winning IBM business partner, which specializes in deploying Tivoli technology for the enterprise. Willis has authored six IBM Redbooks for IBM on enterprise systems management and was the founder and chief architect at Chain Bridge Systems.


Josh Long

Josh Long is the Spring developer advocate. Josh is the lead author on Apress’ Spring Recipes, 2nd Edition, and a SpringSource committer and contributor. When he’s not hacking on code, he can be found at the local Java User Group or at the local coffee shop. Josh likes solutions that push the boundaries of the technologies that enable them. His interests include scalability, BPM, grid processing, mobile computing and so-called “smart” systems. He blogs at blog.springsource.org or joshlong.com.


Koen Aers

Koen is currently driving the Eclipse integration of the JBoss Forge project. Earlier he was responsible for the Eclipse support and the different workflow editors of the jBPM project. Koen graduated as a Civil Engineer from the Belgian Royal Military Academy and obtained an additional Master’s Degree in Information Technology at the Brussels Free University. Before joining JBoss and Red Hat, he worked respectively in the IT department of the Belgian Army and as a software consultant. Koen is a regular speaker at public events and conferences.


Ivan St. Ivanov

Ivan St. Ivanov is development architect at SAP Labs Bulgaria. He has been working in the Software Logistic area designing and developing installation, upgrade and update tools for SAP software for the past 12 years. His main interests are in the agile software engineering practices and in application development. In his free time he likes contributing to open source software, mostly to JBoss Forge. For the past several months his focus is in migrating Forge 1 plugins to Forge 2 addons. Since October he is also driving the adoption of OpenJDK within the Bulgarian JUG.

Ivan has master’s degree in Business Informatics from the University of National and World Economy in Sofia, where he is now assisting in teaching Java EE and Service Oriented Architecture.


Sasa Slavnic

I am software developer and architect, with more than ten years of experience in software development. My main area of interest is RIA and mobile development, using wide range of open source platforms and tools. Another major area of my interest is software development methodologies and practices.


Lukas Eder

I am the founder and CEO of Data Geekery GmbH, located in Zurich, Switzerland. With my company I have been selling database products and services around Java and SQL since 2013. Ever since my Master’s studies at EPFL in 2006, I have been fascinated by the interaction of Java and SQL. Most of this experience I have obtained in the Swiss E-Banking field through various variants (JDBC, Hibernate, mostly with Oracle). I am happy to share this knowledge at various conferences, JUGs, in-house presentations and on my blog.


Anton Sarov

Anton Sarov is a Java Software Engineer at Entimo AG (Berlin, Germany), a life sciences and regulatory informatics company which delivers high quality software products and services. Anton has worked as a freelancer and holds a degree in Computer Science from the Technical University of Berlin. He is interested in the Eclipse Platform, Agile practices and beautiful code. Currently Anton is writing a book about UI testing of Eclipse-based applications.