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Since 1999 : Independent Consultant

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1989 - 1999 : Professor of Educational Sciences in the University
of Paris 7: Distance learning, 'telematics'. Founder and Director of
the laboratory of Teaching Technology.

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1987-1989: Programme Director for 'New Teaching Technologies' [DP5]
at the National Institute of Educational Research. [INRP]

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1986: Responsible for research in the teaching of Mathematics at
INRP [DP1]

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1984 – 1986: Professor at the invitation of Télé-université, the
Distance Learning University of Quebec: Programme director for
Information Technology and Science & Technology responsible for
5,000 students throughout Quebec.

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1982 – 1984: Researcher on Didactics of Mathematics at the
University of Paris 7

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1980 – 1982: Invited lecturer in Mathematics at the “Ecole Normale
Supérieure” in Tunis, Tunisia

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1974 – 1980: Mathematics Teacher, France