Our Team



Originally from the Palm Springs area, Geoffrey Gregory grew up surrounded by some of the greatest case studies of mid-century modern art, architecture, and design.  His passion for residential design led him to earn a professional Bachelor of Architecture degree from California College of the Arts in San Francisco, where he has lived for over a decade.  Geoff has work experience in five-star hospitality, high-end commercial, and custom residential design. When outside the office, he spends his time on passion projects, nerding out over basketball statistics, and playing with his adorable kitten, Rodman.



Ariel Gessler is passionate about design that addresses how we live and share space with our family and friends.  His substantial and varied body of work embodies his beliefs that architecture must respect its context.  As a LEED Accredited Professional, Ari designs buildings that are beautiful and built responsibly.  He and his team are very skilled at navigating the approvals process and they have a reputation for design excellence and successful management of highly complex projects.  When he’s not in studio, Ari enjoys sailing the San Francisco Bay, and traveling with his wife and two children.

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As the daughter of a small-town Pennsylvania contractor, Tiffany Stakem was exposed at an early age to construction sites and developed an affinity for fine details and traditional design.  After graduating from Pratt Institute in New York with a Bachelor of Fine Arts in Interior Architecture, she apprenticed for eight years under an architect specializing in custom residential design before joining AGA. Tiffany's untiring dedication and adventurous spirit consistantly produces high-level results.  She enjoys escaping the city to backpack, rock climb, and canyoneer in the desert.