Currently, Avshalom is working in IBM as a SIP standards expert and as SIP architect to the SIP infrastructure of IBM�s Lotus Workplace�. He is a regular participant in the IETF since 1997 and is concentrating in the activities of SIP related groups in the IETF. He is working in IBM since 1996 and was one of the main architects that have designed the IBM Sametime� servers. Prior to joining IBM he worked in Ubique� that was one of the first Internet companies in Israel. Ubique was bought by America Oline and created Virtual Places for them. After a while Ubique was spinned out from AOL and was bought by IBM. Avshalom received his Msc. in computer science from the Weizmann Institute in Rehovot Israel.