DIAP-SPG is an international team of development consultants with varying backgrounds, working together through a highly creative process which leads to outstanding results.
DIAP-SPG is a distinct branch from Dan Ionescu Architects & Planners (DIAP), an experienced and versatile design firm based in the San Francisco Bay Area. Founded in 1982, DIAP's portfolio includes work on four continents, from strategic regional plans to mixed-use developments. DIAP brings together friends and business partners from its nearly three decades of work to form this highly effective strategic planning group: DIAP-SPG.