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Who We Are

John Sullivan, AIA

President, Architecture

John, an equal majority owner of SGA, spearheads the firm’s architecture practice, encompassing the life sciences, academic, commercial, technology, and residential markets. Known as a design innovator and thought leader, John leads many of the firm’s valued client relationships. Using his creativity, knowledge and strong communication skills, he has generated award-winning design concepts and has achieved public approvals for SGA’s largest and complex projects.

With over 16 years at SGA, John oversees the firm’s large-scale projects in both urban and suburban settings. He plays a major role in master planning, conceptual design, and the entitlements process, welcoming opportunities to present the perspective of clients to generate consensus among communities, municipalities and key stakeholders. 

John’s talent for placemaking and architectural innovation has broadened recognition for SGA’s approach to design. Within the firm, John is a champion for design and an advocate for SGA’s culture, with an ongoing focus on fostering a supportive environment where people can thrive and grow as design professionals.

John received a Bachelor and Master of Architecture from Virginia Tech. Outside of the office, he spends time with his wife, two sons, and dog Brenna, who is a lab mix. He and his family enjoy traveling, the beach, and sports – they support Boston’s pro teams, his sons’ youth teams, and their alma maters, Virginia Tech and Ohio State.