Mark Merlin serves as the Chief Medical Officer of DocGo and the CEO of the nonprofit MD1, a national in-field physician response program, roles he has held since 2019. Dr. Merlin is an international lecturer on prehospital physician response and the founder and former program director of the largest EMS fellowship in the United States. He has provided medical direction for Angel MedFlight since 2020 and Medway Air-Medical Transport since 2018 and has consulted on numerous legal cases involving malpractice and intellectual property. Dr. Merlin is a national medical consultant for FOX, NBC, and CBS. Previously, he served as the Chief Medical Officer of MONOC, New Jersey's largest EMS system, from 2015 to 2020.