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Ronen Elefant, MD, MBA, MSEng is a double board-certified surgeon in General Surgery and Surgical Critical Care, specializing in Acute Care Surgery, including trauma surgery, emergency general surgery, and surgical critical care.
As the founder of ACES National Surgical Team, Dr. Elefant is redefining how direct surgical care is delivered, prioritizing collaboration, patient safety, surgeon autonomy, and uncompromising standards of excellence.
He currently serves as Trauma Medical Director and Chief of Acute Care Surgery at a regional hospital in Pennsylvania, where he has led the institution in achieving and maintaining Level II trauma center accreditation and played a central role in its evolution into a tertiary referral center.
With advanced training in engineering and economics, and more than 25 years of aviation experience as a pilot, Dr. Elefant brings a rare, multidisciplinary perspective to healthcare. He approaches surgery as precision problem-solving combining a pilot’s discipline in risk management, an engineer’s foresight in system design, and an economist’s demand for transparency and efficiency.

Team members

Chief Operating Officer
Krysta is a healthcare executive with more than 15 years of leadership experience across acute care, women’s health, and multi-site clinical management. She currently serves as Director of Emergency Services, Acute Care Surgery, and Trauma at a regional hospital system, where she oversees operations, quality, and performance across multiple service lines.
At ACES, Krysta drives the operational backbone of the organization—building scalable systems, aligning high-performing teams, and translating strategy into consistent, measurable results. She brings a steady, execution-focused approach to growth, ensuring that every process and partnership advances the ACES mission of delivering safe, efficient, and independent surgical care.

Krysta Wagner, MBA

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ACES National Surgical Team

ACES National Surgical Team links top surgeons across the United States with ambulatory surgery centers that have open block time, enabling patients to receive concierge‑level surgical care without insurance obstacles.

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