Dan Ionescu Architects & Planners (DIAP) is an international planning and architectural design firm with a rich history spanning over 35 years. Founded by Dan Ionescu in 1982, DIAP has established itself as a leader in sustainable design philosophy, drawing inspiration from European education, Silicon Valley innovation, and local vernacular. The firm’s strategic regional planning principles prioritize true sustainability by integrating site-specific plans with the surrounding environment, resulting in vibrant neighborhoods that stand the test of time.
DIAP offers a full range of planning and architectural services for both residential and commercial clients, with a specialized approach to high-density condominium buildings, affordable housing projects, and mixed-use developments. The firm’s team of architects and planners, backed by diverse experiences and strong educational backgrounds, collaborates closely with clients to deliver creative, efficient, and cost-effective solutions tailored to meet their needs. With offices in San Francisco, Oslo, and Buenos Aires, DIAP has a proven track record of successful projects across four continents.
With an extensive portfolio that includes projects ranging from regional urban planning in China to large mixed-use developments in the United States and Europe, DIAP excels at producing sophisticated designs that address the environmental, historic, demographic, and economic aspects of each location. The firm’s commitment to close communication with clients ensures an effective and flexible design process, resulting in elegant solutions that are functional, beautiful, and sustainable. DIAP’s strategic design matrix underpins its versatile approach, allowing the company to deliver unique and innovative designs tailored to the specific objectives of each project.