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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

Thornton Tomasetti

Thornton Tomasetti

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omar
Yakout Omar
Associate Principal
yomar@thorntontomasetti.com +1.917.882.4350 New York
otani
Robert Otani
Managing Principal & Chief Technology Officer
rotani@thorntontomasetti.com +1.917.661.7818 New York
pacitto
Steven Pacitto
Principal & General Director
spacitto@thorntontomasetti.com 1.917.661.7928 New York
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
John Peronto
John Peronto
Managing Principal & Chicago Office Co-Director
jperonto@thorntontomasetti.com +1.312.596.2022 Chicago
pessiki
Stephen Pessiki
Senior Vice President
spessiki@thorntontomasetti.com +1.212.367.2958 New York Click to download CV
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