He joined the Flight Test Centre in 1960 as Ingénieur Général de l'Armement 
after studying at the Institut Polytechnique and the Ecole Supérieure 
d'Aérotechnique. In 1964 he took charge of the Concorde programme in the 
Civil Aviation General Secretariat. The following year, he was made responsible 
for the construction of the Guyana Space Centre and then for the development 
of the Ariane rocket programme and finally became general manager of the 
Centre National d'Etudes Spatiales (CNES) from 1976 to 1982. 

From 1982 to 1988 he was Chairman and Manager of the Institut Français 
pour l'Exploitation de la Mer. He then became Delegate General for Armaments 
(1989-1993), then Chairman and General Manager of "Défense Conseil 
International" (1994-1997). Since April 1997 he has been the official 
representative for space policy attached to the Ministry of Defence. 

Mr. Sillard holds an Air Force pilot's licence (1200 flying hours). 

Mr. Yves Sillard was appointed as Assistant Secretary General for Scientific 
and Environmental Affairs with effect from 19th January 1998.

He joined the Flight Test Centre in 1960 as Ingénieur Général de l'Armement 
after studying at the Institut Polytechnique and the Ecole Supérieure 
d'Aérotechnique. In 1964 he took charge of the Concorde programme in the 
Civil Aviation General Secretariat. The following year, he was made responsible 
for the construction of the Guyana Space Centre and then for the development 
of the Ariane rocket programme and finally became general manager of the 
Centre National d'Etudes Spatiales (CNES) from 1976 to 1982. 

From 1982 to 1988 he was Chairman and Manager of the Institut Français 
pour l'Exploitation de la Mer. He then became Delegate General for Armaments 
(1989-1993), then Chairman and General Manager of "Défense Conseil 
International" (1994-1997). Since April 1997 he has been the official 
representative for space policy attached to the Ministry of Defence. 

Mr. Sillard holds an Air Force pilot's licence (1200 flying hours). 

Mr. Yves Sillard was appointed as Assistant Secretary General for Scientific 
and Environmental Affairs with effect from 19th January 1998.