Lieutenant, Travis County Sheriff’s Office | Board-Certified Cardiologist | National Leader in Law Enforcement Wellness

Dr. Jonathan Sheinberg is a nationally recognized board-certified cardiologist, decorated U.S. Air Force veteran, and sworn law enforcement officer who has dedicated his life to both public health and public safety. With a unique dual career at the intersection of medicine and law enforcement, Dr. Sheinberg is a pioneering force in improving officer health and reducing preventable deaths in uniformed service members.

Dr. Sheinberg began his professional journey as a patrol officer with the Barnstable, Massachusetts Police Department. He later joined the U.S. Air Force to pursue medicine, earning his medical degree from Georgetown University. Over 15 years of military service, he rose to the rank of Major, deployed overseas during the early stages of Operation Enduring Freedom, and led a forward-deployed critical care unit in combat zones. His military service earned him multiple decorations and a designation as a disabled veteran.

After separating from the US Air Force in 2004, Dr. Sheinberg began practicing cardiology in Austin, Texas. Over the course of his career, he has performed more than 10,000 invasive procedures, with a current clinical focus on advanced lipidology and the prevention of atherosclerotic disease. He has been named a “Top Doctor” in Austin for four consecutive years and is regarded for his patient-first approach and clinical precision.

In 2005, compelled by a deep commitment to community service, Dr. Sheinberg returned to law enforcement, joining the Travis County Sheriff’s Office as a tactical medic. He later graduated from the regional police academy, becoming one of the few practicing physicians in the country to also serve as a fully sworn police officer. Today, he holds the rank of Lieutenant and serves on the agency’s executive command staff.

Dr. Sheinberg’s expertise has earned him national recognition. He was appointed a Special Deputy U.S. Marshal, where he served on the Lone Star Fugitive Task Force, executing high-risk warrants while actively maintaining his medical practice. He also developed medical contingency plans and tactical combat casualty care curricula for federal operations.

His pioneering work addressing the cardiovascular crisis in law enforcement has reshaped how agencies nationwide approach officer wellness. In 2013, Dr. Sheinberg launched the Cardiac Screening Initiative (CSI)—a landmark program that has screened over 25,000 officers for early signs of heart disease. The initiative’s data has informed national protocols and contributed to a broader effort to combat the staggering 22-year life expectancy gap between police officers and the general population.

A frequent speaker at major national forums—including the International Association of Chiefs of Police, Major City Chiefs Association, and the Department of Homeland Security—Dr. Sheinberg continues to advocate for evidence-based health initiatives in public safety. He has also served on U.S. Department of Justice task forces focused on officer safety and wellness, contributing to the design of comprehensive programs encompassing cardiovascular screening, fitness, nutrition, mental health, and suicide prevention.

Dr. Sheinberg maintains strong academic affiliations as a former Assistant Professor of Medicine at Wright State University and the Uniformed Services University. He currently serves as an Adjunct Clinical Professor at the University of Texas Medical Branch. Whether in the clinic, the classroom, or the field, Dr. Sheinberg exemplifies leadership, courage, and a steadfast commitment to saving lives—both on the front lines and in the exam room.