1100 Architect is a New York-based firm that has delivered award-winning projects for clients around the world. Founded in 1983 by David Piscuskas, FAIA, LEED AP, and Juergen Riehm, FAIA, BDA, the studio provides services in architecture, interior design, urban design, and master planning, along with consultation in environmental review, historic landmark assessment, and sustainability planning. The 60-person office works at all scales and across many markets, with a record of built work for educational institutions, local and federal governments, cultural organizations, commercial workplaces, and residential clients.