Dr. Gadgil is a retired Senior Faculty Scientist, and formerly the co-lead for the Water-Energy initiative for the Energy Technologies Area at LBNL. He has a Ph.D. in physics from University of California, Berkeley. His expertise ranges from computational fluid dynamics of indoor air and pollutant flows, simulation of entry and transport of indoor radon, building energy efficiency, and methods to treat drinking water to make it potable. He has more than 135 refereed archival journal papers, 120 conference papers, and several patents. His work has won national and international recognition with several prestigious honors and awards. He held a concurrent appointment on the UC Berkeley Campus as Professor of Civil and Environmental Engineering.