1972/73/78 Ingénieur conseil, CII, Louveciennes et
Grenoble.
1981-1986 Ingénieur conseil, Thomson, LCR et
Grenoble.
1980/83/85/87 Visiting Scientist, Xerox PARC, Palo
Alto, U.S.A.
1988-1994 Corporate
consultant, Digital Equipment Corp., Maynard, Palo Alto.
1994-1995 Conseiller
arithmétique, Ingénico, Puteaux.
1995-2000 Research Consultant, Hewlett Packard Laboratories, Bristol, Palo Alto.
1999-2003 Conseiller
en brevets, Mentor Graphics, Europe, U.S.A, Japan.
2005-2006 Scientific
Director of INRIA, France
2002-2005 Academic
Advisory Board- Asian Institute of Technology,
Bangkok.
2006-2011 Scientific
Advisory Board of I2R,
Singapore
2006- International Science Advisory
Group- National ICT Australia.