Abdi Mohammadi received a Diploma in "Electrical Engineering and Information Technology" from Univercity of Applied Sciences München, Germany in 1992. He is currently Principal Field Technologist at Sun Microsystems. He led courses for CAD/CAE, UNIX, TCP/IP networking, Routing, Firewall, Security and Messaging. He also was the cofounder of a system integration company in early 90s. At Sun as the lead architect, he designed higly scalable messaging and directory architectures for tens of millions users around the world. He is currently focusing on identity, access and federation management.