Greg J. Matthews has been an US Air Force and civilian firefighter, emergency medical technician, special operations rescue technician, rescue helicopter pilot, fugitive recovery agent, World Trade Center attack first responder, and international consultant on emergency management and security. He currently serves as the US Army Corps of Engineers Southwestern Division antiterrorism officer. He is the founder of Chase What Matters ministry (ChaseWhatMatters.today). He lives in Plano, Texas, with his wife of seventeen years, Rhea, sons Casey and Benjamin, and daughter Ciara.