Engineer in Chemistry, Ecole Superieure Chimie Industrial, Lyon, France, 1968. Doctor Physical Sciences, Faculte de'Orsay, Paris, 1974.
He is an authority on major climatic shifts based on his analysis of Antarctic and Greenland ice. He has spent his research career in Center for Educational Affairs (Commissariat à l"Energie Atomique) which is the French nuclear public organization. In 1991 he became vice president of LMCE which is a Center for Educational Affairs laboratory dedicated to environment and climate.
In 1995 research director
In 1998 director of climate research of LSCE which resulted from the fusion of LMCE with another environmental research laboratory. From 2001 to 2008 director of IPSL (Institut Pierre Simon Laplace) which is a major federative laboratory on climate research in Paris region, including Center for Educational Affairs LSCE.
Member Academia Europaea, American Geophysical Society, European Geophysical Society.
Married Brigitte Yvonne Menand, June 25, 1971. Children: Maud, Jean-Noël.