David has served as principal and designer for a wide range of institutional, public sector and private clients for over twenty years. Prior to re-establishing a longstanding professional relationship with Don Tellalian in 1993, he was associated with Perry Dean Rogers & Partners and responsible for projects including the Essex County Superior Courthouse, the Haas Center at Muhlenberg College, and the U.S. Embassy in Amman, Jordan. At Tellalian Associates, his projects have included work at Bridgewater State College, a number of projects at the Massachusetts Institute of Technology and the Veterans’ Memorial Cemetery in Winchendon, Massachusetts.