Mark Andrews is a structural engineer at Thornton Tomasetti specializing in forensic investigations and litigation support for a wide range of building types, including commercial, residential, manufacturing, industrial, and infrastructure assets. He leads multidisciplinary forensic investigation teams on catastrophe-response assignments, including post-event investigations following natural and man-made events.

Mark assists insurers, attorneys, and building owners by determining the cause and origin of failures, developing repairs, and providing expert witness services. His expertise includes complex losses, builder’s risk claims, and building code analysis. He is also experienced in emergency response, structural and building-envelope repair, renovation, and restoration.