Dr. Yaakov Stein has served as Chief Scientist at RAD Data Communications since 1999. He has authored numerous papers, standardization contributions and patent applications and is an active participant in several telecommunication industry standardization forums. He has coauthored and contributed to numerous IETF RFCs, ITU-T Recommendations and MPLS Forum Implementation Agreements 4.1 and 5.1. Dr. Stein presently co-chairs the IETF’s Timing over IP Connection and Transfer of Clock (TICTOC) working group