Mihail Stoynov

Mihail is a security and software consultant, trainer and author. His resume includes projects in companies like Saudi Aramco, Boeing, HP, Siemens, USAF, several foreign banks and government entities. Mihail is the co-author of 6 books on software, and has 10 years of training experience in local and foreign companies and most of the local universities.

Siegfried Goeschl

Siegfried is currently an ASF member, Apache Turbine and JSPWiki Project Management Committee (PMC) member. Over the last 10 years he was also Apache Commons Committer & PMC working on commons-email & commons-exec, Apache XMLRPC commmitter, Apache Isis & JSPWiki mentor and Apache Maven contributor. He became involved with Open Source in 2000 contributing JUnitPP (one of the first JUnit extensions ever), got involved with Maven, confused with Jelly 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, full-text search, performance testing, quality assurance 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 and organizing the next GDG DevFest in Vienna.

Katya Daskalova

Katya Daskalova is senior Java developer. She has more than 8 years of experiance, and her main interests are in Java EE and ActionScript. She also loves C++ :)
She is leading trainer at Ontarget.bg.

Katya’s hobbies are traveling and reading fantasy/sci-fi books.

Nakul Mishra

I am a Senior Software developer at 4FinanceIT, a consultant around JVM and related technologies. Prefer automation over manual configurations. Keen on continuous delivery, unit testing and code simplicity. Interested in developing applications that requires creativity, imagination, fast-learning and zest for putting theory into code.

Harald Kuhr

Harald has been a professional Java developer since 1998, and has a long experience developing Java based solutions. He is the author of the TwelveMonkeys ImageIO open source library. Since 2009 he’s been a consultant at Bouvet. Over the years, Harald has been an active member of the Norwegian JUG; javaBin. He has given various presentations at local user meetups and participating in the planning and execution, as well as speaking at the JavaZone conference. In addition to building Lego with his kids, bicycling and listening to jazz, Harald is interested in photography and digital image processing. He has developed a strange affection for obscure file formats. Even though it’s getting ever harder to find time to program for fun in his spare time, every once in a while he gets to use these skills for something useful, and write beautiful code. That makes him happy.

Reza Rahman

Reza Rahman is a long time former independent consultant and now officially a Java EE evangelist at Oracle. He is the author of the popular book EJB 3 in Action. Reza is a frequent speaker at Java User Groups and conferences worldwide including JavaOne and Devoxx. Reza is the lead for Java EE track at JavaOne as well as a JavaOne Rock Star Speaker award recipient. He is an avid contributor to industry journals like JavaLobby/DZone and TheServerSide. Reza has been a member of the Java EE, EJB and JMS expert groups. He implemented the EJB container for the Resin open source Java EE application server.

Reza has over a decade of experience with technology leadership, enterprise architecture, application development and consulting. He has been working with Java EE technology since its inception, developing on almost every major application platform ranging from Tomcat to JBoss, GlassFish, WebSphere and WebLogic. Reza has developed enterprise systems for well-known companies like eBay, Motorola, Comcast, Nokia, Prudential, Guardian Life, USAA, Independence Blue Cross and AAA using EJB 2, EJB 3, CDI, Spring and Seam.

Andrew Lombardi

Andrew Lombardi is a veteran entrepreneur and software developer. His parents taught him to code while barely able to read on an Apple // he still wishes he had. He invented the Internet and Nutella (suck it Al Gore) while drinking bulletproof coffee and staring off into space. He’s been running the consulting firm Mystic Coders for 15 years, authored a kick-ass book for O’Reilly on WebSocket, coding, speaking internationally and offering technical guidance to companies as large as Walmart and companies with problems as interesting as helicopter simulation. He firmly believes that the best thing he’s done so far, is being a great dad.

Kenny Bastani

Kenny Bastani is Spring Developer Advocate at Pivotal. As a passionate blogger and open source contributor, Kenny engages a community of passionate developers on topics ranging from graph databases to microservices. Kenny is currently co-authoring an upcoming book from O’Reilly media titled Cloud Native Java: Designing Resilient Systems with Spring Boot, Spring Cloud, and Cloud Foundry.

Ivan St. Ivanov

Ivan St. Ivanov is development architect at SAP Labs Bulgaria, working in the HANA Cloud Platform performance team. He is a leader in the Bulgarian JUG, driving the adoption of OpenJDK in Bulgaria. In his free time he likes contributing to open source software, mostly to JBoss Forge. Ivan is doing his PhD in the area of cloud multi-tenancy in the University of National and World Economy in Sofia. He is teaching Java and Java EE in the Sofia University.

Nayden Gochev

Nayden Gochev is a software architect at Nemesis Software ( http://nemesis.io ) with more than 10 years of experience in software development. Worked in many companies some of which are Isy Intellect, ProxiAD, Insight Technologies, Unic AG, Phamola and Telerik. Made multiple trainings in different academic structures like Plovdiv University, NASD, Software University and Pragmatic. Joined the Bulgarian Java User Group 8 years ago and currently is one of the 5 leaders, he participated in the organizing of basically every single user group event made in the latest years. Last but not least he is also one of the leaders of a weekly podcast called nerds2nerds which is mostly about programming and technologies. In his spare time he enjoys doing nerdish activities (playing games, reading blogs, talking about technology, watching sci-fi) and drinking beer.

Yordan Pavlov

Yordan Pavlov is developer at SAP Labs Bulgaria. He is doing his master’s degree of Computer Systems and Technologies in the Technical University of Sofia. With only 3 years of experience in programming, he is not the typical speaker you would expect to see.

But don’t be misled, this freshman has experience both in software and also hardware development. He well knows the concept of In-System development and is one of the drivers of the “Dirigible” project.

Geertjan Wielenga

Geertjan Wielenga is a NetBeans product manager working at Oracle, focused on Java development and HTML5 development with NetBeans IDE and the NetBeans Platform. Geertjan is a Java technology enthusiast, primarily interested in Java desktop technologies, in particular, application development on the NetBeans Platform.

Sabri Sivan

Sabri comes from Artificial Intelligence background and started writing high frequency Algo trading algorithms for Wall Street companies (Goldman Sachs and CitiGroup) in the 2000’s. He has since moved onto Tech Consulting for Banks & the Federal Agencies. After venturing in Entreprenureship and Startup investing & advising. he has adopted a “Digital Nomad” lifestyle in the past 4 years, and traveling around the world. He has started to focus on learning things that always intrigued him..from Scuba diving and sailing to Psychology, and Ancient Philosophy – Stoism & Vedanta.
He currently runs a New York based tech consulting company -Robuzt Technologies, does Strategy consulting for Fortune 500 and serves in the board of a Barcelona based Football Analytics startup -Scoremug.
He has a passion for numbers and improving human achievement.

Sabri holds a bachelors in Artificial Intelligence, MBA and Masters in Game Theory.

Timon Veenstra

Software engineer with overview, also known as Technical Architect. “Don’t panic, just keep it simple”. Duke’s choice award winner and member of the NetBeans dream team, Founder of LimeTri.

Eva Veenstra

Technology, farming and biology enthusiast. Trainer and consultant in advanced farming and logistics technology.