Sean on Hack Your Health

Visceral Fat & Performance

Dr. Sean O’Mara COL(R), MD, JD

Dr. Sean O’Mara, MD, is a physician, researcher, and expert in metabolic health, visceral fat reduction, and human performance optimization. A retired U.S. Army Colonel and former Chief Medical Officer for a high-security federal medical operations unit, Dr. O’Mara brings a unique background that spans emergency medicine, military leadership, and advanced health optimization.

Widely recognized for his work in identifying and eliminating visceral fat—the most dangerous form of body fat linked to chronic disease and accelerated aging—Dr. O’Mara focuses on reversing the root causes of metabolic dysfunction and internal biological decline. His approach emphasizes non-pharmaceutical, lifestyle-based interventions designed to improve body composition, enhance energy, and restore long-term health.

Through his research and clinical work, Dr. O’Mara has developed strategies to optimize physical performance, cognitive function, and overall vitality. His work explores the connection between metabolic health, inflammation, and leadership performance, helping individuals improve mental clarity, resilience, and the ability to perform at a high level.

In addition to his medical career, Dr. O’Mara has served as an undercover narcotics agent and criminal prosecutor, bringing a rare and multidisciplinary perspective to his work in health and human performance. Today, he works with individuals seeking to improve longevity, reduce disease risk, and achieve measurable improvements in both physical and cognitive performance.

As a keynote speaker, Dr. O’Mara challenges conventional approaches to health by focusing on the biological drivers of aging and disease, empowering audiences to take control of their health through practical, evidence-based strategies.