Leo Subbarao is an Adjunct Lecturer in the Security, Fire and Emergency Management Dept of John Jay College. He has stayed in Arkansas, Massachusetts, New York and Texas. He commenced his academic career in Chemistry at the University of Madras. While there he syntesised a new compound that was similar to the known anti-coagulant Dicoumarol. On graduating, he left and joined the Fire Engineering Comapnay, Mather and Platt. Mather and Platt was a UK based firm that owned the "Grinnel" brand name outside the USA. It went through several acquisitions by Wormald, Tyco and Johnson Controls. He was with them for 17 years and was familiar with all systems, water based, non water based, pumps and fire alarm systems, all components of which were manufactured by the company and installed by them. He later joind Larsen and Toubro (ECC Construction Group) to start a Fire Protection Unit for them. L&T is a Fortune 500 Company. While at WPI University he did research for the US Coast Guard. He joined New York City's Fire Department and was with them for 20 years and before leaving was in the Management Cadre. He was instrumental in developing new codes for green technology and energy storage systems besides other responsibilities. He serves on many Fire Committees, NFPA, UL and CSA. He was commended by the Fire Commissioner for his explanation of the Long Island Gemeral Supply Company explosion that resulted in the deaths of three first responders. He now teaches at John Jay College and is passionate about all things Fire.