Mark Modera is the Sempra Energy Chair in Energy Efficiency, Professor in Civil and Environmental Engineering, Director of the Western Cooling Efficiency Center (WCEC), and Associate Director of the EEC. He was President of Aeroseal, Inc., a business he founded to commercialize a technology he developed at Lawrence Berkeley National Laboratory (LBNL). When Aeroseal was purchased by Carrier Corporation, Dr. Modera served as General Manager and later Vice President of Strategic Operations. He spent 25 years as a staff scientist at LBNL and was a visiting researcher at the University of Liege, Belgium in 1981. 

Dr. Modera's research interests include energy efficiency, ventilation and indoor air quality. While at LBNL, Dr. Modera initiated and grew an extensive research program for improving the energy efficiency of thermal energy distribution in buildings. He has been active in ASHRAE for 25 years, during which time he chaired and served upon many Technical, Standards and Society-level committees, including serving as Chairman of ASHRAE Standards Project Committee 152P, which published a new standard for rating the efficiency of residential thermal distribution systems in 2004. Dr. Modera has a B.E., M.S., and Ph.D. in Mechanical Engineering.