·
Head, The Department of Education in Technology and Science,
2000-2003.
·
Editor-In-Chief, The International Journal of Computers for Mathematics
Learning, Kluwer, 1995-2000.
·
Director, Project ITTT – Information
Technologies in Technion Teaching, 1996-1999.
·
Consultant, Educational Development
Corporation, Boston, USA, 1996-1999.
·
Director, the Israel
Science Teaching
Center, 1994.
·
Head, "Tomorrow '98"
Administration for Implementing the Harari Report on
the Advancement of Science & Technology Education, Ministry of Education,
1993.
·
Faculty, IFSMACSE
– Institute For Secondary Mathematics And Computer
Science Education., Kent State University,
USA, summer, 1990 - 92.
·
Consultant, Australian Council for
Educational Research, Melbourne, Australia,
1989.
·
UNESCO Expert Consultant,
Bulgarian Academy of Sciences,
Sofia, Bulgaria,
1988.
·
Visiting Scholar at MIT Lab for
Computer Science (1982), UC Berkeley
Graduate School
of Education (1987), and Stanford University
School of Education (1999).
Membership in Professional
Organizations:
PME – Psychology of Mathematics
Education
HBES – Human Behavior and
Evolution Society