Executive Leadership

Brad D. Holland, FACHE

President and Chief Executive Officer
Mr. Holland became president and CEO of Hendrick Health in January 2019. He came to Abilene from Cedar Park Regional Medical Center in Cedar Park, located near Austin, where he served as CEO since 2012.

As Cedar Park Regional Medical Center CEO, Holland was responsible for successfully developing multiple service lines, including pediatrics, interventional cardiology, neurology and stroke services.

Holland’s healthcare career began in 2000 as director of operations for Oklahoma State University Medical Center in Tulsa, Oklahoma. In 2003, he accepted the position of chief operating officer (COO) for Woodland Heights Medical Center in Lufkin, Texas. After three years in Lufkin, he relocated to Vicksburg, Mississippi, to become administrator and COO for River Region Health System. In 2008, Holland returned to Texas to lead San Angelo Community Medical Center as CEO.

Raised in San Angelo, Holland earned a bachelor’s degree in biology from Southwest Texas State University and a master's degree in healthcare administration from Trinity University in San Antonio. He is a Fellow of the American College of Health Executives.

Michael D. Murphy, FACHE

Interim System Vice President and Chief Operating Officer
Mr. Murphy began his career in human resources and gained his 39 years of healthcare management experience at hospitals in Texas and Colorado. He joined the Hendrick team after serving as CEO of Abilene Regional Medical Center since 2004. He earned a Bachelor of Business Administration from the University of Wisconsin Oshkosh and a Master of Business Administration from Sam Houston State University. Mr. Murphy has been an active member of Texas Hospital Association, where he serves as a board member, as well as the American College of Healthcare Executives. He has also been involved in many community organizations in Abilene.

Rob Wiley, MD

System Vice President and Chief Medical Officer
Dr. Wiley, an Abilene native, graduated sum cum laude from Hardin-Simmons University in 1987 and earned his medical degree with honors from the University of Texas Health Science Center at San Antonio in 1991. After completing a pediatric residency at Children’s Hospital of Oklahoma (OU) in 1994, he joined Pediatric Associates of Abilene the following year, where he continues practicing today. His areas of interest in pediatrics include behavioral/developmental medicine and general pediatrics. Dr. Wiley is board certified by the American Board of Pediatrics.

In June 2020, Dr. Wiley was named Chief Medical Officer for Hendrick Health. In this role, he oversees and is responsible for managing the organization's physicians to provide safe and effective healthcare to the communities served by Hendrick Health.

As co-founder of the Legends Dove Hunt, Dr. Wiley is actively involved with Children’s Miracle Network. He is also involved with Pioneer Drive Baptist Church and Young Life, and previously served on the Hardin-Simmons Board of Trustees.

Jeremy Walker

System Vice President and Chief Financial Officer
Mr. Walker obtained a bachelor's degree in accounting from Freed-Hardeman University in Tennessee. He received his master's degree from Oklahoma Christian University. Mr. Walker has extensive hospital accounting experience, serving as vice president of Finance at Medical Center of Arlington for three years prior to joining Hendrick in September 2013.

Susan Greenwood, BSN, RN, FACHE

System Vice President and Chief Nursing Officer
Ms. Greenwood joined Hendrick in January 2020 and has been working in healthcare for more than 30 years. Most recently, she served as Chief Nursing Officer for Eastland Memorial Hospital District in Eastland. Ms. Greenwood began her nursing career as a staff nurse and clinic manager in Monticello, Ark., which predated her long and successful tenure at St. Bernard’s Healthcare in Jonesboro, Ark. She is a registered nurse and earned an associate of applied science in nursing from North Arkansas College, as well as a bachelor of science in Nursing at Jacksonville University in Jacksonville, Fla. She completed a master’s degree in business administration from Ellis College of Business at New York Institute of Technology. Ms. Greenwood is also a Fellow of American College of Healthcare Executives and a certified professional in Healthcare Quality, in addition to serving on the Board for Texas Organization of Nurse Executives.

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