He grew up with limited resources and spent periods of his childhood in foster care. Before entering medicine, he worked in high-risk, high-accountability environments, including service roles that demanded discipline, teamwork, and calm decision-making under pressure. His background includes time working in explosive ordnance disposal and service across multiple branches of the U.S. military, experiences that continue to shape his approach to leadership, communication, and patient care.

That unconventional journey ultimately led him to medicine, where he trained in anesthesiology and developed a strong interest in education, research, and healthcare communication.

Outside the operating room, Dr. Zack has built a rapidly growing digital platform dedicated to improving health literacy, addressing medical misinformation, and offering transparent insight into how medicine actually works. His content regularly reaches millions of viewers and resonates with both healthcare professionals and the general public.

Known for blending satire with evidence-based explanations, Dr. Zack bridges the gap between clinical medicine and modern media — making complex topics understandable without oversimplifying or sensationalizing.