Executive Bios

Meet Our Leadership Team

Deborah L. Ryle, FACHE - Chief Executive Officer

Deborah L. Ryle

Chief Executive Officer

St. David’s Round Rock Medical Center

Deborah Ryle, FACHE, has served as Chief Executive Officer for St. David’s Round Rock Medical Center since 1996, and has been affiliated with St. David’s HealthCare since 1984. Prior to joining the leadership team in Round Rock, Ms. Ryle served as Senior Vice President for St. David’s Rehabilitation Center and St. David’s Pavilion in Austin.

In establishing St. David’s Round Rock Medical Center as a comprehensive health care provider for Williamson County and adjacent areas, Ms. Ryle directed capital improvement projects in excess of $100 million and spearheaded the growth of the medical staff to over 950 physicians representing virtually every medical specialty. An active fundraiser, Ms. Ryle has developed programs to support community nonprofit and governmental agencies. Her efforts within St. David’s Round Rock Medical Center have propelled the hospital to a patient satisfaction ranking within the top 2 percent of all HCA facilities.

Ms. Ryle is a Fellow of the American College of Healthcare Executives, and holds a bachelor’s degree in communications from the University of Texas at Austin and a master’s degree in Health Care Administration from Trinity University.

Patti Ellisor - Chief Nursing Officer

Patti Ellisor

Chief Nursing Officer

St. David’s Round Rock Medical Center

Ms. Ellisor has served as Chief Nursing Officer at St. David’s Round Rock Medical Center since 2008. Her background includes more than 25 years of experience in nursing, encompassing both patient care and administrative positions. Prior to joining the executive team at St. David’s Round Rock Medical Center, Ms. Ellisor served as Assistant Executive Director at Scott & White.

Ms. Ellisor holds licenses as a Registered Nurse and certifications in Nursing Administration and is a Clinical Nurse Specialist. She is a member of the American College of Healthcare Executives and the Texas Nurses Association.

Ms. Ellisor received her bachelor’s degree in Nursing from Texas Women’s University, her master’s degree in Nursing from The University of Texas at Austin, and a master’s degree in Healthcare Administration from The University of Mary Hardin-Baylor.

Michelle Hays

Chief Financial Officer

St. David’s Round Rock Medical Center

Michelle Hays is chief financial officer of both St. David’s Round Rock Medical Center and St. David’s Georgetown Hospital. Prior to assuming this role, Hays served for seven years as chief financial officer of Heart Hospital of Austin, during which time she helped lead the hospital through the acquisition by St. David’s HealthCare.

Hays has more than 20 years of combined hospital financial management and public accounting experience. Prior to joining Heart Hospital of Austin, she served as chief financial officer for Louisiana Heart Hospital and also as a regional chief financial officer for a long-term acute care hospital company in the Shreveport and Austin markets. Before entering the healthcare industry, Hays spent five years in public accounting as an auditor.

Hays is actively involved with the American Heart Association. She is a member of the Circle of Red and has served for several years on the executive leadership team for the Heart Ball.


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