David Oldroyd

Principal and Owner

David Oldroyd has built his career at ODADA. He collaborated closely with firm founder Orlando Diaz-Azcuy for 25 years before assuming ownership of the company in 2013. Under his leadership, ODADA has flourished, expanding into new markets, growing its team, and stretching the boundaries of its signature aesthetic.

Oldroyd leads projects including private homes, hotels, corporate offices, and wineries. His own design philosophy is built on the modern re-statement of classical principles to create beautiful interiors that have an emotional impact on their occupants.

Oldroyd holds a Bachelor of Fine Arts degree from Brigham Young University.

Greg Stewart


A principal at ODADA for decades, Greg Stewart brings his architectural training — evident in clean interiors, straight lines, and graphic moves — to all his projects. He aims for a sense of serenity in all his interiors.

Stewart's most notable projects include compounds in Carmel and the Napa Valley, residences at the Four Seasons in San Francisco, and model suites for luxury developments in San Francisco and Honolulu.

Stewart holds a Bachelors of Architecture from California Polytechnic State University, San Luis Obispo, and attended the École des Beaux Arts in Fontainbleau, France.

Ian Bevilacqua, AIA


Ian Bevilacqua specializes in complex residential projects, traveling regularly to oversee the minute details of their design and construction. Highlights of his long career with ODADA include luxury developments in San Francisco, New York, and Auckland, New Zealand, as well as large scale contemporary estates in East Hampton and Miami.

Bevilacqua holds a Bachelor of Arts degree from the University of Minnesota, which included a year of study at the University of Bologna, and a Masters of Architecture from the University of California at Berkeley.

Tamara Dinsmore, AIA, LEED AP BD + C


Tamara Dinsmore brings tremendous experience to her role at ODADA. She worked in the New York and London offices of Skidmore, Owings & Merrill (SOM) before moving to San Francisco, where she led the architectural interiors group for over 20 years.

Among the projects that have defined her diverse career are the US Embassy in Beijing; the Headquarters for Samsung's R&D Center in Mountain View, CA; the Northwest Lab building on the Harvard University Campus; a winery in Paso Robles, CA; and several luxury apartments in San Francisco.

Dinsmore holds a Bachelor of Fine Art degree in Environmental Design from Parsons School of Design. She is a licensed architect in New York and California.

Orlando Diaz-Azcuy

Orlando Diaz-Azcuy has been a designer for 50 years. The hallmarks of his work — intelligent pragmatism, quiet elegance — have remained consistent over his long career.

He worked alongside design luminaries like Lawrence Halprin and Arthur Gensler before opening Orlando Diaz-Azcuy Design Associates in 1987; he has designed furniture collections for Steelcase, McGuire, HBF, Boyd Lighting and Matsuoka.

Diaz-Azcuy holds a degree in Architecture from Catholic University of America, and in Landscape Architecture and City & Regional Planning, both from the University of California at Berkeley; he has also received two honorary doctorates. He is a member of Interior Design's Hall of Fame, and has been named as Interiors magazine's Designer of the Year and a California Icon of Design.