About Gray Design Group

As a leading architecture, interiors and experiential graphic design firm in Saint Louis for over 40 years, we believe our integrated approach creates cohesive spaces that enhance efficiency and productivity while building meaningful connections and positive experiences.

Tobias Heddinghaus

Principal

AIA, LEED AP® BD+C, NCARB

As Principal, Toby provides strategic direction and leadership, overseeing each project for alignment with Gray’s design standards. He reviews compliance with building codes and regulations and provides mentorship and guidance to the design team. His technical ability and commitment to sustainability translate each project’s requirements into well-implemented, thoughtful designs. Toby’s pragmatic perspective and meticulous attention to detail enhance the quality level of each project from the initial design phase through final documentation.

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Testimonials

Creative. Collaborative. A Trusted Partner. The ‘Clear Choice’. Want to hear what else people say about their experience with Gray? Take a peek at some of our most recent client recommendations.