Michael E. Weyler, a licensed professional engineer in sixteen states plus the District of Columbia, has over fifty years of engineering experience in both the public and the private sectors. He holds a Ph.D. in mechanical engineering from the University of Michigan. He has been on the mechanical engineering faculties of the University of Michigan and the United States Naval Academy. He served in the U.S. Navy Civil Engineer Corps for twenty-three years, both active and reserve, and retired as a Captain. He was employed by Exxon Production Research Corp. as a Senior Research Specialist. Since 1990, he has worked as a forensic engineer and fire investigator, having opened his own consultancy, Weyler Engineering, PC in 2005. He has been designated by the International Association of Arson Investigators as a Certified Fire Investigator. From 2000 to 2015 he was a principal member of the National Fire Protection Association’s Technical Committee on Fire Investigations, the editorial committee responsible for the content of NFPA 921, Guide for Fire and Explosion Investigations.