During 1965-1966 he was on the Faculty of the University of Oklahoma. From 1966 to 1968 he was with Mobil Research and Development Corporation, engaged in research in process control and systems theory. From 1968 to 1970 he was with the Ben-Gurion University of the Negev, Beer-Sheva, where he founded and headed the department of Chemical Engineering. Since 1970 he has been with the Technion, Israel Institute of Technology, where he is currently Professor of Computer Science holding the Carl Fechheimer Chair in Electrical Engineering and Director of the Center for Intelligent Systems. He has previously been with the department of Applied Mathematics of which he was Chairman and with the Department of Electrical Engineering. He held visiting positions at various institutes, including the University of Toronto, the University of Florida, the University of Eindhoven, Concordia University, CSIR, Yale University, the University of Bremen, the University of Newcastle and the University of Kaiserslautern. During 1983-1984, 1988-1989, 1995-1996 as well as during many summers he has been at NASA-Ames Research Center as an NRC-Senior Research Associate. Since 1997 ha has been associated with NASA-Ames Research Center through a grant with San Jose State Foundation.

His research covered topics in the areas of linear system theory, differential games, optimization and adaptive control. His current interests are primarily in the areas of discrete event systems, hybrid systems, the theory of concurrent processes and various formal aspects of human-machine interaction. He has been president of the Israel Association of Automatic Control during 1978-81. In 1989 he received the Henry Taub award in Computer Science. He has been on the editorial boards of the SIAM Journal of Control and Optimization and Systems and Control Letters.

updated January 2000.