Ivelin is a member of the JBoss core team and serves as director of product development. His responsibilities include overseeing the development process, resources and unified product roadmap. Ivelin is community leader for Java.net Communications. He is also member of the JSR 240 Expert Group – JAIN SLEE 1.1 and founder of the open source implementation Mobicents. Ivelin participates in the Eclipse initiative as member of the WTP Requirements Committee. In the open source community Ivelin has contributed to JBoss, Apache Cocoon, jXPath, GNU QEXO, XMLForm and FreeBuilder IDE.