Raymond P. Daddazio

As President of Thornton Tomasetti, Ray Daddazio provides strategic and operational leadership across the firm’s 50 offices and 1500 people. During his 40-year career, he has held various leadership roles, including that of president and CEO of Weidlinger Associates, which merged with Thornton Tomasetti in 2015.

Prior to his election as Weidlinger’s president in 2006, Ray was director of the firm’s Applied Science business unit. As such, he oversaw all of the firm’s advanced analysis and R&D initiatives. He has authored more than 40 papers and articles on such topics as non-linear underwater shock analysis, low frequency structural acoustics, structural optimization and vibration control, and uncertainty quantification.

Ray is a native New Yorker and lives in New York City with his wife and daughter. He earned BS, MS, and EngScD degrees from Columbia University and is a licensed Professional Engineer in New York State.