Dr. Heffes received his B.E.E. degree from the City College of New York, New York, N.Y., in 1962, and the M.E.E. degree and the Ph.D. degree in Electrical Engineering from New York University, Bronx, N.Y., in 1964 and 1968 respectively.
Dr. Heffes joined the Department of Electrical Engineering and Computer Science in 1990. He assumed the faculty position of Professor of Electrical Engineering and Computer Science after a twenty eight year career at AT&T Bell Laboratories. In his early years at Bell Labs he worked on the Apollo Lunar Landing Program, where he applied modern control and estimation theory to problems relating to guidance, navigation, tracking and trajectory optimization. More recently his primary concern has been with the modeling, analysis, and overload control of telecommunication systems and services. He is the author of over twenty five papers in a broad range of areas including voice and data communication networks, overload control for distributed switching systems, queuing and teletraffic theory and applications, as well as computer performance modeling and analysis. He has supervised Stevens Ph.D. theses in Congestion Control in High Speed Networks and Overload Control and Mobility Models for Cellular Mobile Systems. Dr. Heffes developed and teaches the Telecommunication Management course "Principles of Traffic Engineering and Performance Analysis". He teaches courses in Electrical Engineering, Computer Science and Telecommunication Management.
Dr. Heffes received the Bell Labs Distinguished Technical Staff Award in 1983 and for his work on modeling packetized voice traffic he was awarded the IEEE Communication Society's S.O. Rice Prize in 1986. Dr. Heffes is a FELLOW of the IEEE for his contributions to teletraffic theory and applications. He has served as a United States Delegate to the International Teletraffic Congress and as an Associate Editor for NETWORKS: An International Journal. He is a Member of Eta Kappa Nu, Tau Beta Pi, American Men and Women of Science and is listed in Who's Who in America.