Our Leadership

Ernie Bovio


Ernie Bovio is president of UNC REX Healthcare, an affiliate of UNC Health Care. He leads all aspects of the 665-bed health system's operations and its 7,000 co-workers at six campuses across Wake County including the North Carolina Heart & Vascular Hospital.

Ernie joined UNC REX Healthcare in September 2018 as the chief operating officer. He previously served for four years as president and chief executive officer at High Point Regional UNC Health Care.

Ernie has worked in healthcare for 25 years. He has served in various administrative capacities, including chief executive officer at Baylor Scott & White Health in Austin, chief executive officer at Trinity Medical Center in Carrollton, chief operating officer at Twelve Oaks Medical Center in Houston, and chief operating officer at The Medical Center of Mesquite. Ernie held director positions at Duke University Health System in Durham, North Carolina, after he started his career with The Sisters of Charity Health Care System in Houston.

He is a member and fellow of the American College of Healthcare Executives, and board certified by the American College of Medical Practice Executives. Ernie served as a board member on the Foundation for a Healthy High Point, Business High Point, Inc., the United Way of Greater High Point, Guilford County Technical College Foundation, and as a member of the High Point University Board of Visitors.  

Ernie holds a Master of Healthcare Administration/Master of Business Administration degree from the University of Houston - Clear Lake and a Bachelor of Arts in History from Texas A&M University. He and his wife Holly have four children.

Chad Anderson

Vice President, Clinical Operations (Anesthesia, Endoscopy, Perioperative Services/Surgery, Pharmacy, Cary & Wakefield Ambulatory Surgery Centers and Raleigh Ortho Surgery Center)

As Vice President of Clinical Operations, Chad’s responsibilities include surgical services, pharmacy oversight as well as operational leadership and board membership within the UNC REX ambulatory surgery center joint ventures. He began working at UNC REX in 2019 after 13 years at Piedmont Hospital in Atlanta, where he was initially focused in cardiovascular service line development, and then shifted into surgical leadership before moving to Raleigh.

Chad received a Bachelor’s degree in Business Administration from Oglethorpe University in Atlanta, and a Master’s of Healthcare Administration from the University of Kentucky. He is a member of the American College of Healthcare Executives and has various civic interests.

Chad enjoys documentaries, housework with the kids, sports as both a player and spectator, and outdoor activities. He and his wife Hannah reside in Raleigh with their 3 children.

Tate Bombard

Vice President of Legal Affairs
Tate oversees all internal and external legal functions at UNC REX Healthcare. Prior to this role, Tate served as the Executive Director of Physician Administration and Associate General Counsel at UNC REX Healthcare. He has been a UNC REX co-worker since 2010.

He currently serves on the Magellan Charter School Board of Directors, and is a Fellow in the Healthcare Roundtable for General Counsel. Tate received both his Juris Doctor and Bachelor of Science degree from the University of South Carolina.

Tate enjoys golf, travel, hiking and snow skiing.

Linda Butler, MD

Vice President of Medical Affairs/Chief Medical Officer/Chief Medical Information Officer

Linda is responsible for the UNC REX medical staff, quality programs and regulatory compliance. She was a pediatrician in Wake County for more than 13 years before joining UNC REX as chief medical officer in 2009.

Linda serves as a North Carolina State Engineering Foundation Board Member and Finance Committee Member. In 2012, she participated in Leadership NC as a member of class class XIX and was named to the Top 100 CMO’s to Know by Becker’s twice in 2013 and 2014. UNC REX CMO Linda Butler named "100 Hospital and Health System CMOs to Know," by Becker’s Hospital Review in 2013 and 2014.

She earned degrees in Nuclear Engineering from N.C. State University and University of Florida, and received her medical training at UNC Chapel Hill.

Linda enjoys cycling, traveling and cooking.

Tim Hester

Vice President, Physician Services

Tim Hester is the administrative leader of REX Physicians—REX’s growing employed physician group of over 400 providers. Spread across four hospitals and multiple counties, REX Physicians provides both dedicated inpatient services (General and sub-specialty Hospitalist care, Critical Care, Neonatology, etc.), as well as clinic and hospital-based sub-specialty care (Oncology specialties, Surgery, Gastroenterology, Cardiology, OB/GYN, Pulmonology, etc.). 

Tim has spent most of his career working with physician practices in a variety of settings and subspecialties. He worked with UNC Health in the foundational years of UNC Physicians Network, which has become a thriving Primary Care network across North Carolina. He has been with REX for over a decade, working with areas such as General Surgery, REX’s Wound Healing Centers, and the hospital’s affiliated Ambulatory Surgery Centers.

Tim received a Bachelor’s degree in Economics and International Studies, with Highest Honors, from UNC-Chapel Hill, a Master’s in Healthcare Administration at the UNC Gillings School of Public Health, and a Juris Doctor at N.C. Central University. He loves Latin American culture and speaks fluent Portuguese, after spending over 18 months as a missionary in Brazil. Tim also loves spending time with his wife and nine children.

Diana Massa

Vice President, Clinical Operations (Cardiovascular, Neurodiagnostics, Sleep lab, Radiology, Respiratory Physical Therapy)

Diana Massa serves as Vice President of Clinical Operations. Her responsibilities include Heart and Vascular services, Radiology, laboratory, respiratory and rehab therapies.

Diana started at Rex in 2001 as a respiratory therapist in our sleep medicine program. Over the last 20 years, Diana has served in a number of leadership roles. She has a strong interest in disease prevention and early detection, and led expansion and growth of our outreach and screening programs.  She helped lead the planning, construction and opening of the N.C. Heart and Vascular Hospital.

Diana earned a Bachelor of Science in Respiratory Therapy at York College of Pennsylvania, and a Master’s of Health Administration from Pfeiffer University. She is a Registered Respiratory Therapist and a past President for the NC Society for Respiratory Care. Diana is an active volunteer in the community and involved with several professional organizations.

Diana’s interests include the outdoors, animal welfare and native plant gardening.

Susan Moore, M.D. 

President, UNC REX Physicians

Susan is a practicing physician with REX Hematology Oncology Associates and has been an active member of the UNC REX medical staff since 2006.  She served as the Medical Director for the UNC REX Cancer Center for several years and more recently also served as Chair of the UNC REX Physician Oversight Committee.

She received both her Doctor of Medicine with Highest Honors and Master of Public Health from the University of North Carolina at Chapel Hill and completed a residency in Internal Medicine at the University of California at San Francisco and fellowship in Hematology and Oncology at Emory University.

Susan enjoys traveling, reading, running, and most importantly, spending time with family and friends.

Bob Ricker, RTT, MBA

Vice President, Operations

Bob Ricker is the Vice President of Physician Services at UNC REX Prior to this role, Bob served as the Executive Director of Operations with UNC Physicians Network and the Associate Vice President of Suburban Services at UNC REX. He has been a UNC REX co-worker since 1991 and currently serves on the Board of the Wake County Medical Society Community Health Foundation Board Treasurer and on the Board of UNC Physicians Network.

Bob received his Masters of Business Administration from Pfeiffer University in 2000, and his Bachelors of Science Degree from Greensboro College. He is a Registered Respiratory Therapist, and past NC Society for Respiratory Care President & National Delegate to the American Association of Respiratory Care. Bob served in the Marine Corps from 1976-1980. He actively serves on the Board of Directors for the Community Care of North Carolina.

Kirsten Riggs

Chief Operating Officer

Kirsten is responsible for the oversight, management, and strategic planning of the UNC REX Heart & Vascular division. Kirsten joined UNC REX in 1998 and has held prior leadership roles in surgical services and ambulatory administration.

Kirsten serves on the Alliance Medical Ministry Board and the North Carolina Heart & Vascular Research Board. She has a Bachelor of Science in Nursing from East Carolina University and an MHA from Pfeiffer University.

Kirsten enjoys reading, interior design, and spending time with her family.

Roy Tempke, MHA, NHA, PT

Chief Operating Officer, UNC Health Rex Holly Springs

Roy joined UNC REX in 1993 as a physical therapist and has served in a number of leadership roles, including administrator for the two UNC REX skilled nursing facilities and as director of care management.  In his current role, Roy is responsible for rehabilitation services, the skilled nursing facilities, care management and discharge planning, respiratory therapy, palliative care, psychiatry, and care re-design. 

Roy serves on the board of directors for NAMI Wake County and is a volunteer reader for Partners Read in conjunction with the WakeEd Partnership. 

Roy earned his Bachelor of Science with a certificate in physical therapy from the University of Pittsburgh and his Masters in Healthcare Administration for the University of North Carolina at Chapel Hill. 

Roy lives in Cary with his wife and two sons.  When not watching hockey, Roy enjoys cooking, running  and traveling.

Andy Zukowski

Chief Financial Officer, UNC REX Healthcare

As Vice President and Chief Financial Officer of UNC REX Healthcare, a large community health system in a fast growing market with more than 6,500 co-workers and revenue of almost $1.5 Billion, Andy is passionate about the strategic, financial and business related processes that enable our mission of “inspiring hope, improving health and healing communities” and our vision of “leading the transformation of health care, one person at a time”.

Andy is a servant leader with a calm, forward thinking and analytic approach to achieving results. It is through his focus on relationships, development of others, and his engaging style of communication that he is able to seek input on key decisions and strategies that guide our transition to value; navigate health care challenges facing our community; and achieve organizational success.

He sits on the WakeEd Partnership Board, enjoys his family, traveling, music and outdoor activities.