Ari leads CLASP’s Program Incubator, which develops new and innovative services and solutions for policymakers and practitioners in the field. Prior to joining CLASP in 2013, Ari worked as a consultant in support of the U.S. Department of Energy's appliance standards program, the ENERGY STAR program, and utility-sponsored demand-side management programs. He has also served as administrator of the ENERGY STAR post-market verification testing program for compact fluorescent lamps.