Student, University Paris, 1970. Doctor of Philosophy in Atmospheric Geochemistry, University Paris, 1987.
Senior researcher Atomic Agency Center for Educational Affairs and National Center for Scientific Research, Gif sur Yvette, France, since 1982. Professor University Paris, since 1999. Associate professor University Xi'An, China, since 2007.
International expert various international organizations, since 1991.
Conseiller municipal City Council, Bures sur Yvette, France, 2007.
Married Gérard Cachier. Children: Claire Géraldine Pardo-Cachier, Agnès Sylvie Gravil-Cachier, Pascal Yves Cathier.