If you have passion and are in an environment where you can be challenged and mentored, you can do great things with your career.

Ray Daddazio provides strategic and operational leadership across the firm. During his nearly 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 division. As such, he oversaw all of the firm’s advanced analysis of blast effects on structures, including civil infrastructure elements such as bridges, tunnels and terminals belonging to the Port Authority of New York and New Jersey and the New York State’s Metropolitan Transportation Authority.

Expertise in Advanced Analysis
Ray has extensive experience in the development and application of advanced analysis techniques to structural dynamic problems. He has been a principal investigator in the U.S. Government’s Technical Support Working Group program to counter terrorism. He was also a principal investigator in structural vibration and structural acoustic programs sponsored by Defense Advanced Research Projects Agency, Naval Sea Systems Command, Office of Naval Research and the Carderock Division of the Naval Surface Warfare Center.

Academic and Professional Contributions
Ray is committed to engineering education and the advancement of the profession. He serves on the industry advisory committee for Columbia University’s Department of Civil Engineering and Engineering Mechanics and is chair emeritus of the university’s Fu Foundation School of Engineering and Applied Science Board of Visitors. Ray has authored more than 40 papers and articles on such topics as structural analysis, non-linear finite elements, low frequency structural acoustics, structural optimization and vibration control.

Outside of Work
Ray is a self-professed news junkie. His favorite way of staying on top of things is through the news aggregator app Zite, through which he can enjoy the process of discovery and curating industry related content on Twitter.

• Computational structural mechanics
• Extreme Engineering
• Multi-hazard structural design and resiliency
• Underwater shock analysis
• Shock and vibrations of structures