Mobile Navigation
Main Menu

About Us

Thornton Tomasetti employees gather at a Spectrum Pride event in the office.
Main Menu

People

We have the experts to meet your challenge. Let us connect you with the specialist you need.
Contact us
Main Menu

Projects

Global experience. 
Regional perspective. 
Local impact.
Explore all projects
Main Menu

Expertise

Main Menu

Insights

Explore our latest news and perspectives.
View all insights
Main Menu

Core Studio

R&D and technology play an essential role in our firm. We invest in constant learning, testing and innovation. That uniquely positions us to solve our clients’ most difficult problems.
Innovation Engine Our CORE groups manage our research and development efforts, from incremental efficiency improvements to solving some of the most challenging engineering problems of our time. Learn More
Innovation Output We believe collaboration amplifies our innovation potential and creates connections that lead to better, more imaginative solutions for our clients. Learn More
Main Menu

Search

News & Insights

Roger Weld Joins The Transportation Team In New York

News

Roger Weld Joins The Transportation Team
January 23, 2025
Roger, who has more than 30 years of experience in the planning and design of efficient and sustainable infrastructure and public spaces, recently joined our Transportation practice in New York.
Bob Smilowitz Recognized With ASCE Award

News

Bob Smilowitz Recognized With ASCE Award
January 08, 2025
Congratulations to Bob Smilowitz, who is the latest recipient of the American Society of Civil Engineers’ Ernest E. Howard Award. The award recognizes an ASCE member for their contributions in advancing the field of structural engineering.
550 Madison in New York.

News

Revitalization Efforts For Two New York City Classics
November 20, 2024
There’s always room for improvement, even for landmark structures. The latest issue of the Steel Institute of New York’s Metals in Construction magazine looks at revitalization projects at two New York City classics.