Summit Healthcare Administration Team



Ron McArthur, FACHE  / Chief Executive Officer

Ron has more than three decades of healthcare experience. Prior to joining Summit Healthcare he held the role of Regional Vice President at Quorum Health Resources supervising thirteen hospitals in Oklahoma, Kansas and Missouri. Prior to that, he was the Chief Executive Officer at Gila Regional Medical Center in Silver City, New Mexico and the CEO of Roosevelt General Hospital in Portales, New Mexico. He holds a master’s degree in Health Services Administration from Arizona State University and is a Fellow in the American College of Healthcare Executives. Ron was recently elected to serve as a Board Member for AzHHA. He and his wife, Jenice, have five grown children; four boys and a daughter. His hobbies include hunting, fishing and golfing.


Doug Gilchrist / Chief Operating Officer

Doug joined Summit Healthcare in 2009.  His responsibilities include providing administrative oversight for outpatient services, ancillary clinical and non-clinical support areas and project management.  Doug received his Biomedical Engineering degree from the Denver Institute of Technology and Health Sciences in 1976 and has worked in healthcare ever since.  He is married with three grown children and one granddaughter. His hobbies include golf, fishing and travel.


Thia Ebert, RN / Chief Nursing Officer

With more than 25 years of experience in the healthcare environment Thia came to us from Baltimore, Maryland where she began her hospital career as a Certified Surgical Technologist in 1984. She advanced her career to become a Surgical Tech First Assistant and then to a Registered Nurse First Assistant in Surgery before relocating to Arizona with Indian Health Services as an ER Nurse and House Supervisor. In 1995 Thia expanded her nursing experience at Summit Healthcare Regional Medical Center to include positions as the ASC/Float Nurse; Base Hospital Manager; Emergency Department Manager; and the Director of Surgical Services. In May of 2010 Thia assumed the role of Interim Chief Nursing Officer (CNO) and accepted the CNO position permanently in October 2010. Thia has a Bachelors of Science degree in Nursing and a Masters degree in Psychology


Ken Allen / Chief of Physician Services

Ken Allen has been a member of the Summit Healthcare Administration since 1995. Responsibilities include leadership for Summit Healthcare’s sponsored physician network, Summit Healthcare Medical Associates. Ken’s goal is to improve access to and availability of healthcare services for residents of the White Mountain Communities. Professional memberships have included American College of Healthcare Executives, Health Care Compliance Association, American College of Sports Medicine, American Association for Cardiac and Pulmonary Rehabilitation, and the Fellowship of Christian Athletes. In 2006 and 2015 Ken was recognized by the Arizona Hospital and Healthcare Association as a Leadership Fellow.


Connie Kakavas / Chief Human Resources Officer

Connie joined Summit Healthcare in 2011 as the Chief Human Resources Officer. A native of Show Low Connie retired from the City of Show Low after 31 years. While at the City, she started as a Utility Billing/Payroll Clerk and quickly promoted into the City Manager’s office she served as the Executive Assistant and Clerk to the City Council as well as the Human Resources Director for over 20 years. Connie is married with two grown children. She enjoys cooking, out door adventures, water skiing and spending time with her family at their lake house at Roosevelt.


Carolyn Jacobs / Chief Quality Officer

Carolyn joined Summit Healthcare in 2002. As Chief Quality Officer, Carolyn is responsible for the oversight of the quality of Summit Healthcare including the hospital, outpatient services, the clinics and affiliated physician offices. She provides oversight for the standards of practice, the regulatory requirements for clinical care, and patient safety. Carolyn is a Registered Nurse with her Master’s Degree in Health Services Administration and is a Certified Professional in Healthcare Quality.


Alan DeWitt, MD / Chief Medical Officer

Dr. DeWitt joined the Active Medical Staff at Summit Healthcare in August, 2002. His specialty is Family Medicine. Dr. DeWitt attended medical school at the University of Arizona College of Medicine in Tucson, Arizona. He completed his Internship and Residency at Good Samaritan Regional Medical Center in Phoenix, Arizona. Dr. DeWitt is Board Certified by the American Board of Family Medicine and Hospice & Palliative Medicine.


Angie Kolling / Chief Marketing and Development Officer

Angie joined Summit Healthcare in 2011. Prior to joining Summit Healthcare she worked for Northwest Medical Systems in Oro Valley, Arizona. Angie obtained her Bachelors and Masters Degree in Business Administration from the University of Phoenix. She is responsible for the development and implementation of internal and external communication strategies, managing marketing and public relation needs for all Summit Healthcare entities, and planning and directing advertising programs and collateral materials.


Aaron Young / Chief Information Officer

Aaron is a seasoned, non-geek, IT executive leader with a relentless pursuit of excellence. He has extensive experience in IT strategy, infrastructure, integration, system development, and process improvement.

Throughout his career he has worn many hats including: network administrator, programmer, business analyst, interface developer, marketing, project management, Radiology Director, Director of Quality Improvement, and most importantly leadership. As a result, he has learned the unique ability to navigate complex challenges and lead organizational change.

Aaron knows every situation is different, and has honed the skill of adapting my leadership style to accommodate accordingly. His leadership style is he approached everything in a calm, common sense, transparent, courageous, charismatic, servant leader who values learning, accountability, integrity, honesty, humility and a sense of humor.