His research specializes in the development of photochemical models and their application to air quality management, uncertainty analysis, energy policy, and health impact studies. Before joining Rice, Dr. Cohan worked for the Air Protection Branch of the Georgia Environmental Protection Division. He received a B.A. in Applied Mathematics from Harvard University, a Ph.D. in Atmospheric Chemistry from Georgia Tech, and served as a Fulbright Scholar to Australia at the Cooperative Research Centre for Southern Hemisphere Meteorology. Dr. Cohan is principal investigator of a U.S. EPA STAR grant that is developing methods for systematically considering uncertainty in air pollution control strategy development, and a recent recipient of a National Science Foundation CAREER young investigator award.