David has experience working with city agencies, community groups, planners, architects, landscape architects and historic preservation consultants on major development projects. His clients range from private developers to public agencies to the Philadelphia Mural Arts Program. David has a background in architecture and urban planning, holding a B.A. in architecture/urban studies from Yale University and a master of city planning degree from the University of Pennsylvania School of Design, in addition to a J.D. from Columbia Law School. Prior to becoming an attorney, David worked in Los Angeles as a historic preservation consultant, and with the urban planning news website Planetizen.