Jonathan Heller, P.E., LEED AP : Jonathan is the President of Ecotope and a licensed Professional Engineer in Washington, Oregon, Idaho, and Alaska. He has worked in the field of energy efficiency since 1986 providing research, consulting, and design on energy and resource efficiency in buildings. He has focused during the last few years on deep energy retrofits to existing commercial buildings. Typically, his designs have eliminated fossil fuel usage and cut total energy use by more than 50 percent. Mr. Heller has been awarded three National ASHRAE Technology Awards for Innovation and Energy Efficiency in Building Design in 2012, 2013, and 2016.