Gavin Colliar works in Thornton Tomasetti’s Applied Science practice, specializing in test and evaluation, advanced analyses for extreme events, and explosive safety design for defence and energy clients. He focuses on the survivability and vulnerability of naval equipment and structures, helping clients address complex challenges involving shock, vibration, and weapons effects. He leads test and evaluation activities that use experimental methods, monitoring, and laser scanning to help clients assess structural performance and risk. He also contributes to research and knowledge sharing in structural dynamics, shock, and vibration through technical presentations and papers.