Leadership

Executive Leadership

Mark Nantz, MHA

President and Chief Executive Officer, Valley Health

Photo of Mark Nantz Mark Nantz is president and chief executive officer of Valley Health System, a not-for-profit network of hospitals, services and providers based in Winchester, Virginia.

Prior to joining Valley Health, Nantz served in executive roles with Bon Secours Mercy Health, including most recently as chief administrative officer and Atlantic Group President; before then, he was executive vice president and chief strategy officer at Bon Secours. He has also held executive positions at Carolinas Healthcare System (now Atrium Health) and Carolinas Medical Center ‐ NorthEast, and leadership roles in the audit practice of a Big 5 accounting firm. He is a Certified Public Accountant and a fellow in the American College of Healthcare Executives.

Nantz is a visionary executive with a record of improving patient satisfaction, quality metrics, and physician and employee engagement. During his 30-plus year tenure in health care, his professional accomplishments include building advanced clinical programs and successful physician and community partnerships, and instituting organizational effectiveness and strategic business plans at the local, regional, and system levels.

Nantz earned a Master of Health Administration from Pfieffer University, and a Bachelor of Science in Accounting from the University of North Carolina ‐ Charlotte. An engaged community leader, he has volunteered in leadership roles with numerous non‐profit and civic organizations, including chambers of commerce, the American Heart Association, the March of Dimes, and organizations supporting the fine arts. He and his wife, Courtenay, reside in Winchester.

Bob Amos, MBA Chief Financial Officer, Valley Health View Profile
Mark Baker Vice President, Facilities, Safety and Supply Chain View Profile
Barbara Ballard, MBA Chief Information Officer, Valley Health View Profile
N. Travis Clark, MOL Vice President, Operations, Shenandoah Memorial Hospital and Page Memorial Hospital View Profile
Carmen Clipper Vice President, Planning and Growth View Profile
Jennifer Coello, MHA Vice President, Operations and Administrator, Warren Memorial Hospital View Profile
Carla Dallmann, BSN, MBA, MJ, CPHRM, CPCO Vice President, Risk Management, Valley Health View Profile
Jeffrey Feit, MD, MSHA Chief Population and Community Health Officer, Chief Medical Information Officer View Profile
James Freilich, MD Vice President of Medical Affairs, Warren Memorial Hospital View Profile
Kenneth Janowski, DO, CPE Vice President of Medical Affairs, Winchester Medical Center View Profile
Sherif Kaiser, MD, MPH Vice President, Medical Affairs, Hampshire Memorial Hospital and War Memorial Hospital View Profile
Susan Lessar, MS, RDN, CNSC Vice President, Operations, Service Excellence View Profile
Christine Lowman, CPA, CHFP Vice President Finance and Corporate Controller, Valley Health View Profile
Jake Meza, MBA Vice President, Operations, Ambulatory, Post-Acute and Community Services View Profile
Julie Miksit, RN, BSN, MBA Vice President of Operations and Service Lines, Winchester Medical Center View Profile
Nicolas C. Restrepo, MD Valley Health Chief Quality and Patient Safety Officer View Profile
Brad Rogers, MHA Chief Operating Officer, Valley Health Medical Group, and Vice President, Valley Physician Enterprise View Profile
Chris Rucker, MHA Chief Strategy Officer and Chief of Staff, Valley Health View Profile
Iyad Sabbagh, MD, MBA Chief Physician Executive and President, Valley Physician Enterprise View Profile
Elizabeth Savage, MSOD Chief Human Resources Officer, Valley Health View Profile
Kevin Sheppard, MHA Vice President of Operations-Clinical Services, Winchester Medical Center and Valley Health View Profile
Heather Sigel, MBA Vice President, Operations Hampshire Memorial Hospital and War Memorial Hospital View Profile
Tonya Smith, MHA Senior Vice President, Acute Care, President, Winchester Medical Center View Profile
Theresa L. Trivette, DNP Chief Nursing Executive (CNE), Valley Health View Profile
William "John" Zehner, MD Vice President, Medical Affairs, Page Memorial Hospital and Shenandoah Memorial Hospital View Profile