Our Leadership Team

Gary Dempster

FAIA • LEED AP • CRX • CDP

Partner

Los Angeles
Gary Dempster brings buildings to life. With his significant construction experience he gives clients an insider’s perspective on costs, systems and schedules. He balances his hands-on approach with a long-term view of building issues. Gary’s straightforward, working relationship with the clients has enabled him to complete numerous large-scale, complex projects during his 32-year tenure at STIR Architecture (formerly Altoon Partners) — with many of those for repeat clients.
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William J. Sebring

AIA • CDP

Partner

Amsterdam
William (Bill) Sebring has been part of the global practice and design leadership team at STIR Architecture for 32 years. As Partner for Design, Bill utilizes his expertise and passion for bringing insightful context-driven design leadership to complex mixed-use developments that energize communities with significant retail and leisure components. Based in the Amsterdam office of STIR he brings to clients and communities a dynamic and interactive architectural design process and vision that yields positive results for both clients and communities. His award-winning design solutions are based on an understanding of the cultural, financial, political, historical, physical, and decision-making contexts of design leadership challenges. LinkedIn

James C. Auld

AIA • CDP

Partner

Los Angeles
James Auld combines his skill as a designer with his understanding of technology’s role in the practice of architecture. His commitment to creating a powerful IT platform helps the firm to deliver complex projects around the globe without sacrificing design quality. He knows the difference — his own work includes several award-winning historic preservation and adaptive reuse projects as well as transit and transit related mixed-use projects. LinkedIn

 

Joost Hulshof

MSc Int’l Assoc AIA

Associate Partner

Amsterdam
Joost Hulshof has been part of the design team in Amsterdam since 2004. Foundational to both the success of the firm, and Joost’s innovative design skills, is an interactive design process. The results of this process and vision lead to award-winning design solutions that are based on an understanding of the cultural, financial, political, historical, physical, and decision-making contexts of any design challenge. LinkedIn