Trivers

Trivers

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Trivers is a St. Louis based architecture, planning, urban design and interiors firm.

06/01/2026

Join us in welcoming Hallie Nolan back to Trivers!

As Planner, Hallie will lead Trivers Urban Design + Planning practice, helping clients shape thoughtful, implementable solutions across campuses, districts, neighborhoods, and communities. Her experience working with institutions, public agencies, private partners, and stakeholders strengthens our ability to connect planning, urban design, and architecture in meaningful ways.

We look forward to the leadership and perspective she brings to this growing area of practice. Read more about Hallie's return and vision for the future:
https://trivers.com/hallie-nolan-joins-trivers-as-planner/

+Planning

Q&A: The Role Historic Architects Play in Bringing New Life to Significant Place – Trivers 05/19/2026

In honor of hashtag , we’re highlighting the important role historic architects play in helping communities preserve the stories, character, and craftsmanship embedded within existing buildings and places.

In our latest Q&A, Trivers Principal Amy Gilbertson, FAIA, shares insights on navigating preservation standards, collaborating with project teams, and balancing modernization with the stewardship of historic resources.

Read the full conversation here:
https://trivers.com/qa-the-role-historic-architects-play-in-bringing-new-life-to-significant-place/

Q&A: The Role Historic Architects Play in Bringing New Life to Significant Place – Trivers Previous Next Q&A: The Role Historic Architects Play in Bringing New Life to Significant Place Created on 19 May, 2026 Share this story Share Share Tweet Pin Email Back to News From century-old courthouses to evolving public spaces, historic properties present both opportunity and complexity. In add...

Photos from Trivers's post 01/21/2026

Trivers has published its first book, 𝘈 π˜“π˜¦π˜¨π˜’π˜€π˜Ί 𝘰𝘧 π˜—π˜°π˜΄π˜ͺ𝘡π˜ͺ𝘷𝘦 𝘊𝘰𝘯𝘴𝘦𝘲𝘢𝘦𝘯𝘀𝘦, marking our 50th anniversary.

The publication brings together five decades of work shaped by collaboration, stewardship, and a commitment to design that creates lasting, positive impact. Through projects, partnerships, and a timeline of milestones, the book traces the ideas that have defined Trivers’ practice while looking ahead to the future of the firm.

𝘈 π˜“π˜¦π˜¨π˜’π˜€π˜Ί 𝘰𝘧 π˜—π˜°π˜΄π˜ͺ𝘡π˜ͺ𝘷𝘦 𝘊𝘰𝘯𝘴𝘦𝘲𝘢𝘦𝘯𝘀𝘦 is available through ORO Editions and major retailers. To learn more, visit https://trivers.com/a-legacy-of-positive-consequence/

12/30/2025

Farewell, 2025. A year of projects, progress, and people - marked by 50 years of design. Cheers to 2026 and the collaborations to come.

#2025

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380 North 18th Street, Suite 100
St. Louis, MO
63103

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm