Dr. Ali Ashrafi of Thornton Tomasetti has a depth of experience in structural design and modifications, seismic and wind performance-based design, advanced analytics, nonlinear and dynamic analysis, deconstruction engineering, emergency response and forensic investigation. He specializes in performance-based fire engineering and uses a range of advanced analysis tools to predict how structures will behave during a fire. Ali has been an adjunct professor at Columbia University, teaching the course Earthquake and Wind Engineering since 2011, and where he also introduced a short course on Structural Fire Engineering in 2020. He is the author of numerous technical papers and articles and is a frequent presenter at academic and industry conferences and events. Ali also serves as a reviewer for several technical journals, is a member of ASCE’s Fire Protection and Dynamics Committees and was a vice-chair of the Fire Protection Committee.