Dr. Ronen Elefant MD, MBA, MSEng

Dr. Ronen Elefant is a double board-certified surgeon specializing in Acute Care Surgery, which includes trauma, emergency general surgery, and surgical critical care. As the founder of ACES National Surgical Team, he is reimagining how surgical care is delivered through bundled direct surgical pricing, physician-centered autonomy, and uncompromising standards of excellence.

Born in Israel, Dr. Elefant immigrated to the United States at the age of nine, when his parents sought the opportunities and upward mobility of the American dream. That early transition instilled in him the resilience, drive, and clarity of purpose that define his work today.

Dr. Elefant currently serves as Trauma Medical Director and Chief of Acute Care Surgery at a major regional hospital in the northeastern United States, where he helped achieve and maintain Level II trauma center accreditation and supported the system’s growth into a tertiary referral center. In addition to his clinical leadership roles, he has held academic appointments and remains active as an invited lecturer, educator, and contributor to professional societies.

With advanced training not only in medicine but also in engineering and business, Dr. Elefant brings a rare multidimensional perspective to surgical care. His background in biomedical engineering shapes his precision-focused approach to problem-solving. His economics and business training drive his commitment to transparency and sustainable models of care. And with more than twenty-five years in aviation, he applies a pilot’s discipline, situational awareness, and risk-management mindset to every aspect of clinical practice.

At ACES, Dr. Elefant leads a national team of elite surgeons committed to expanding access to high-quality outpatient surgery through existing ambulatory surgery centers. ACES delivers predictable, bundled surgical pricing and high-class patient experience without the friction of traditional insurance barriers. His mission is simple but transformative: restore the surgeon-patient relationship, elevate the standard of care, and bring clarity and value back into American healthcare.