Dan Ionescu Architects & Planners (DIAP) is an experienced and versatile design firm based in the San Francisco Bay Area, which was founded in 1982 by Dan Ionescu himself. We employ a dynamic team of architects and planners, with strong educational backgrounds and diverse experiences. Our process entails maintaining longstanding relationships with talented consultants in order to provide complete support for client and project needs. DIAP has the proven ability to work around the world and has never had a project denied. A policy of close communication with clients ensures an effective and flexible design process.