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.

Latest podcast

Mainstreaming Mass Timber
View all insights
Main Menu

Search

Our People

Collaboration is the cornerstone of our success. Our people are its foundation.
Thornton Tomasetti

Thornton Tomasetti

Thornton Tomasetti

Find Your Thornton Tomasetti Contact
Go
Michelin, Rachel 1
Rachel Michelin
Senior Principal & Chicago Office Co-Director
rmichelin@thorntontomasetti.com +1.312.596.2102 Chicago
Randall Rehfuss headshot
Randall Rehfuss
Associate Acoustic Consultant
RRehfuss@ThorntonTomasetti.com +1.213.330.7968 Los Angeles
daddazio
Raymond Daddazio
Chairman, Thornton Tomasetti Foundation
rdaddazio@thorntontomasetti.com +1.917.661.7800 New York
Rhys Centin
Rhys Centin
Project Engineer
rcentin@thorntontomasetti.com +61.3.9724.3705 Melbourne
richard_tomasetti
Richard Tomasetti
Consultant & Founding Principal, Chairman Emeritus, Thornton Tomasetti Foundation
RLT@ThorntonTomasetti.com +1.917.661.7820 New York
otani
Robert Otani
Managing Principal & Chief Technology Officer
rotani@thorntontomasetti.com +1.917.661.7818 New York
Robert Treece
Robert Treece
Managing Principal & Midwest Region Leader
rtreece@thorntontomasetti.com +1.816.412.1838 Kansas City
Weld, Roger 1
Roger Weld
Vice President
rweld@thorntontomasetti.com +1.917.661.8285 New York
Ryan Daley headshot
Ryan Daley
Senior Associate
RDaley@ThorntonTomasetti.com +1.212.367.2881 New York
Learn About Our Career Opportunities View Open Positions