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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

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Saffron Wyse
Saffron Wyse
Associate Principal and Edinburgh & Warrington Office Co-Director
swyse@thorntontomasetti.com +44.(0)1224.037.509 Aberdeen
Samantha Eng headshot
Samantha Eng
Senior Project Engineer
seng@thorntontomasetti.com +1.415.636.6098 San Francisco
Samer Ghanma headshot
Samer Ghanma
Vice President
SGhanma@ThorntonTomasetti.com +1.972.764.6266 Dallas Click to download CV
Scott Lomax
Scott Lomax
Managing Director
slomax@thorntontomasetti.com +1.917.661.8026 New York
Scott Schneider
Scott Schneider
Senior Principal & Structural Engineering Practice Co-Leader
sschneider@thorntontomasetti.com +1.212.367.2882 New York
Scott Storm
Scott Storm
Vice President
sstorm@thorntontomasetti.com +1.816.412.1892 Kansas City
Scott Wood
Scott Wood
Associate Principal
swood@thorntontomasetti.com +1.202.580.6331 Washington
levengood
Sean Levengood
Vice President
slevengood@ThorntonTomasetti.com +1.267.238.4014 Philadelphia Click to download CV
Sean Long headshot
Sean Long
Associate
SLong@ThorntonTomasetti.com +1.813.445.8918 Tampa Click to download CV
Pigach
Sergey Pigach
Senior Associate Applications Engineer
spigach@thorntontomasetti.com 917.661.7800 New York
Sergio De Gaetano
Sergio De Gaetano
Managing Principal & UK and Australia Region Co-Leader
sdegaetano@thorntontomasetti.com +44.(0)20.7014.4400 London
sorin
Sorin Moisi
Senior Vice President
smoisi@thorntontomasetti.com +1.917.661.8164 New York
eisenreich
Stephan Eisenreich
Senior Principal & Los Angeles Office Director
seisenreich@thorntontomasetti.com +1.213.330.7000 Los Angeles
pessiki
Stephen Pessiki
Senior Vice President
spessiki@thorntontomasetti.com +1.212.367.2958 New York Click to download CV
szycher
Stephen Szycher
Managing Principal & Northeast Region Leader
sszycher@thorntontomasetti.com +1.917.661.7962 New York
Steve Bakin
Steve Bakin
Vice President
SBakin@ThorntonTomasetti.com +1.813.467.6019 Tampa Click to download CV
ratchye
Steve Ratchye
Associate Principal
sratchye@thorntontomasetti.com +1.415.365.6968 San Francisco
pacitto
Steven Pacitto
Principal & General Director
spacitto@thorntontomasetti.com 1.917.661.7928 New York
Xiaoshu (Sunny) Du headshot
Sunny Du
Associate
xdu@thorntontomasetti.com +1.207.245.6074 Portland, ME
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