Christian Seigneur



École des Ponts ParisTech, Champs-sur-Marne, France

Professor (2010-2019)

Director of the Atmospheric Environment Center (Cerea), Joint Laboratory École des Ponts ParisTech / EDF R&D (2008-2017)

Atmospheric & Environmental Research, Inc. (AER), San Ramon, California, USA

Vice President (1996-2008)

ENSR Consulting & Engineering, Alameda, California, USA (merged with AECOM in 2005)

General Manager, San Francisco Bay Area (1992-1996) 

Air Quality Program Manager (1988-1992)

Bechtel Environmental, Inc., San Francisco, California, USA

Project Manager (1986-1988)

Systems Applications, Inc., San Rafael, California, USA (acquired by ICF in 1990)

Program Manager (1983-1986)

Senior Scientist (1979-1983)


1978    Ph.D. (chemical engineering), University of Minnesota, USA.

1974    M.S. (chemical engineering), Chimie ParisTech - PSL, France.


  • Past member of about thirtty committees, panels, and working groups, including the Expert Committee on Air Pollution of the French Agency for Health and Safety (ANSES) in 2010-2013, Clean Air Scientific Advisory Committee (CASAC) Review Panels of the U.S. Environmental Protection Agency (EPA) for national ambient air quality standards (particulate matter in 1995-1996 and nitrogen oxides and sulfur oxides in 2007-2009), and a committee of the Board of Scientific Counselors (BOSC) of the U.S. EPA (particulate matter and ozone in 2005-2007).


  • Court testimonies; magazine, newspaper, and TV interviews; roundtables and expert panels.