James “Doc” “Shamus” Marron III brings 23 years of multidisciplinary expertise to his role as Lead Instructor, blending military medicine, fire service, and EMS experience. A former U.S. Navy Corpsman with infantry line service, he has delivered critical care in war zones, at sea, and across continents, shaping his real-world understanding of emergency response challenges.Certified as a ProBoard Instructor I, Firefighter II, and AEMT, Marron has been with FireMed since the start. His instructional approach emphasizes adaptability, leveraging his diverse background in military trauma care, fireground operations, and pre-hospital emergencies to prepare students for dynamic field scenarios.Outside of training, Marron and his wife explore global destinations and unwind at their lakeside camp in the north. He reflects: “The coolest job on the planet is Fire and EMS—it’s where preparation meets purpose.” His leadership fosters resilience, technical mastery, and a commitment to serving communities in their most critical moments.