Raymond Daddazio

Ray Daddazio supports the development of our services for clients in the global federal market sector, and guides the success of numerous infrastructure-related initiatives as well as our R&D incubator and technology accelerator efforts. Over a career that has spanned four decades, he has held various leadership roles, including that of president of Thornton Tomasetti, and 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 division. As such, he oversaw the firm’s advanced analysis and technology initiatives. He has extensive experience in the development and application of advanced analysis techniques to structural dynamic problems, including nonlinear structural analysis, low-frequency structural acoustics, structural optimization and vibration control.