Treasurer, Israel Mathematical Union 1981-1983
Member, Directorate of Israel Orthodox Scientists Assoc. 1984, '86, '88
Member, Advisory Committee on Daylight Savings Time
Chairman, Dept. of Mathematics, Michlala - Jerusalem
Member, Governing Board of the Israel Statistical
Member, Israel Public Council for Statistics, (Bar-Ilan
Chairman, Dept. of Mathematics and Computer Science,
Member, Committee for New Immigrants, Bar-Ilan
Member, Committee for the Bar-Ilan University extensions 1991-1993
Director, Industrial Mathematics Unit, Bar-Ilan University 1991-present
Member, National Committee for Professional Ethics in
Member, Governing Board, Mofet b'Yehuda, Industrial
Member, Executive Committee, The Academic College of
Chairman, Committee for Ties with High-Schools,
Vice-Chairman, Committee for Registration,
Member, Central Committee, Bar-Ilan University 1995-1997
Academic Head, The Academic College of Judea and
Referee, for BSF, gif 1996-present
Chairman, Governing Board, Michlol Institute for
External Examiner: University Paris 6, Technion,
Chairman, Ph.D. Committee,
President, Tora Umadah Association,