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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
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Our People

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

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Gary Panariello
Gary Panariello
Managing Director
GPanariello@thorntontomasetti.com +1.415.365.6900 San Francisco Click to download CV
Elisa Paone
Elisa Paone
Principal
epaone@thorntontomasetti.com +1.212.839.5206 New York Click to download CV
patel
Rupa Patel
Principal
rpatel@thorntontomasetti.com +1.202.580.6384 Washington Click to download CV
pessiki
Stephen Pessiki
Senior Vice President
spessiki@thorntontomasetti.com +1.212.367.2958 New York Click to download CV
pinto
Marguerite Pinto
Senior Principal & New York Office Co-Director
mpinto@thorntontomasetti.com +1.212.367.3096 New York Click to download CV
quinn
James Quinn
Principal
jquinn@thorntontomasetti.com +1.212.367.2853 New York Click to download CV
Randle, Andrew 1
Andrew Randle
Vice President
Arandle@ThorntonTomasetti.com +1.954.900.8570 Fort Lauderdale Click to download CV
sanez
Nicolas Saenz
Senior Principal
nsaenz@thorntontomasetti.com +1.214.846.4056 Miami Click to download CV
shen
Brian Shen
Principal & San Francisco Office Director
bshen@thorntontomasetti.com +1.415.365.6942 San Francisco Click to download CV
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