Since 1979, David has gained an international reputation for being a pioneer in passive solar architecture and has designed over 400 custom residences across the United States. David is NCARB certified, and been licensed in California, Nevada, New Mexico, Hawaii, Colorado and Wisconsin.
David has received several design awards and his work has been published hundreds of times including, Sunset Magazine, National Geographic, Popular Science, L.A. Times, House Beautiful, Solar Age, Progressive architecture, The Washington Post and Mother Earth News among others. Some of his work is archived in the Smithsonian Institute museum. He specializes in designing environmentally responsible homes throughout California and Nevada.