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Vanessa Villeneuve

Principal-in-Charge
R.A., LEED Green Associate

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Jason Simmons

Karsten Solberg

Partner
R.A., LEED Green Associate

Senior Architect
AIA, LEED BD+C

Robert Kocher

Architect
AIA

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Heather Landis

Project Manager

Founded in 2018, IN/EX Architecture P.C. is a forward-thinking, certified woman-owned (WBE) Rochester-based firm built on a foundation of collaboration, expertise, and innovation.


Our team of five architects and project managers brings a strong background in commercial, residential, and civic design. Founder Vanessa Villeneuve, RA, LEED Green Associate, and Jason Simmons, RA, LEED Green Associate—formerly a partner at Glasow Simmons—bring over 20 years of professional collaboration to the firm. They are joined by Karsten Solberg, AIA, LEED BD+C; Robert Kocher, AIA; and Heather Landis—a core team with over a decade of experience working together.


We offer a comprehensive range of architectural services, including Concept Design, Construction Administration, Master Planning, Sustainable Design, Historic and Adaptive Reuse, Interior Design, Visualization, and Community Engagement.

Our practice is intentionally lean and expert-led. Every IN/EX team member brings years of experience, with portfolios that include award-winning projects across Rochester, Western New York, and nationally recognized international firms. We are committed to thoughtful, functional design tailored to the unique needs of every client.

We proudly collaborate with long-standing partners such as Jensen BRV for structural engineering and M/E Engineering for mechanical, electrical, plumbing, and fire protection design. These trusted relationships allow us to deliver coordinated, high-performing design solutions supported by a successful and diverse project portfolio.

© 2025 IN/EX Architecture P.C.

Site design by Nevermore Creative Solutions.

LEED Green Associates
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