Stephen Hayes received his B.S. from Texas Christian University in 1977 and his M.S for the University of Texas at Dallas in 1980. He has worked extensively in the area of network management and mobility management, including chairing various technical working groups dealing with PCS OAM&P and PCS-1900 MAP. He is a principal engineer at Ericsson and is active within the IEEE, serving as guest editor of IEEE communications and authoring various articles. He has served as the vice-chair of T1P1. Within the 3GPP he has served as convenor and vice-chair of the 3GPP TSG-CN (Technical Specification Group - Core Network). He is currently the chair of 3GPP TSG-CN and is a member of the IPv6 Technical Directorate.