Executive Leadership

Infirmary Health’s executive leadership supports Infirmary Health’s medical staff in providing patients with the best quality medical care. Our executive leadership include:

D. Mark Nix
President and Chief Executive Officer, Infirmary Health

Mark Nix leads Infirmary Health in serving the healthcare needs of 11 counties and more than 600,000 residents along the Gulf Coast of Alabama and Mississippi. As President and Chief Executive Officer for Mobile’s largest private employer and the largest nongovernmental, not-for-profit healthcare system in Alabama, Mr. Nix embraces the history of the 115-year-old institution which embraces utilization of the most advanced medical technologies and innovative services available in today’s healthcare industry. Mr. Nix joined Infirmary Health in 1987. Prior to assuming his current role in 2009, he also served as President and Chief Operating Officer of the System, Executive Vice President and Chief Financial Officer, Vice President of Real Estate and Vice President of Infirmary Medical Clinics. A native of Russellville, AL, Mr. Nix attended the University of North Alabama and The University of Alabama where he graduated with a degree in accounting from The Culverhouse College of Business School of Accountancy prior to obtaining his Certificate of Public Accounting (CPA). Prior to joining Infirmary Health, Nix practiced public accounting as a CPA before joining a real estate development and management company working in Alabama and Florida. Mr. Nix currently serves as on numerous civic and organizational Boards throughout the region.

Joe T. Stough, III
Executive Vice President and Chief Operating Officer, Infirmary Health

Joe Stough joined Infirmary Health in 2008. As executive vice president and chief operating officer for the system, Mr. Stough leads a strong team of experienced healthcare professionals that oversee the operations for Mobile Infirmary, Thomas Hospital, North Baldwin Infirmary, and Infirmary Long Term Acute Care Hospital. Additionally, he is responsible for cultivating a culture of high reliability and patient safety while implementing new integration strategies for Infirmary Health. Mr. Stough earned his bachelor’s degree from the University of Alabama. He later earned a Master of Business Administration degree and a master’s degree in health administration from the University of Alabama at Birmingham. Mr. Stough is an experienced, results-oriented healthcare executive with accomplishments in senior management positions within healthcare delivery systems. He is a graduate of Leadership Alabama class XXXIV. Mr. Stough has served as chairman of the Alabama Hospital Association board and is a member of the Board of Visitors for The Culverhouse College of Business at the University of Alabama, the Baldwin County Economic Development Alliance board, the Blue Cross and Blue Shield Hospital Advisory Committee, and the Eastern Shore Chamber of Commerce board. He is also chairman of the Vizient Southeast COO & CFO committee.

Joseph L. Denton
Executive Vice President, Chief Administrative Officer, Infirmary Health

Joe Denton was named chief financial officer of Infirmary Health in 2007 and transitioned to chief administrative officer in 2024 to enhance the system’s focus on key initiatives such as information technology, human resources, supply chain, case management, managed care, health information management, and physician financial operations. Prior to joining Infirmary Health, Mr. Denton served as chief financial officer at the Health Care Authority for Baptist Health in Montgomery, AL. Additionally, he worked with Tenet Healthcare for 14 years in multiple roles and locations. Mr. Denton graduated from the University of South Alabama with a degree in accounting. He later earned his CPA certification and went on to receive an MBA from Maryville University in St. Louis, Missouri. A graduate of Leadership Mobile, Mr. Denton participates in a number of healthcare and community initiatives and boards.

R. Barre Sanders
Executive Vice President, Infirmary Medical Clinics, Physician Practices

With more than 40 years’ experience in healthcare management, Barre Sanders is currently responsible for Infirmary Medical Clinics, which includes 52 specialties, with 69 locations and 260 physicians. He joined Infirmary Health in 1992 as director of Diagnostic and Medical Clinic. Mr. Sanders started his career at Birmingham’s Hillcrest Hospital as business mManager and later assistant to the vice president of finance. In 1982, he joined the staff of Community Hospital in Birmingham. Majoring in business administration, Mr. Sanders attended the University of Alabama at Birmingham and the University of Alabama at Huntsville.

Susan E. Boudreau
President, Mobile Infirmary

Susan E. Boudreau is the president of Mobile Infirmary and has served Infirmary Health in many capacities throughout her tenure. In 2015, Mrs. Boudreau rejoined Infirmary Health as the vice president of oncology and was later appointed as the chief operating officer of Mobile Infirmary. Mrs. Boudreau is a Fellow of the American College of Healthcare Executives and serves on various community boards. She earned her bachelor's degree in science medical technology from the University of Alabama and her master's degree in science in Health Administration from the University of Alabama at Birmingham. During her time at Mobile Infirmary, she implemented a successful hospital-wide Total Quality Management initiative, enacted the utilization of teleradiology and assisted in the planning and design of a major expansion/relocation of the Emergency Department. Mrs. Boudreau also led the development of Infirmary Health's Cancer Care program, including bringing on a new mobile cancer screening vehicle.

William Admire, DO
Vice President, Chief Medical Officer, Mobile Infirmary and North Baldwin Infirmary

William Admire, D.O., is the vice president and chief medical officer for Mobile Infirmary and North Baldwin Infirmary and has served Infirmary Health in multiple capacities since joining the organization in 2013. In addition to his chief medical officer responsibilities, Dr. Admire works with Infirmary Occupational Health and iHealthy, Infirmary Health’s external wellness program. Dr. Admire holds a Bachelor of Arts from Susquehanna University and Doctor of Osteopathy from the Philadelphia College of Osteopathic Medicine. He completed an internship at Delaware Valley Medical Center and an internal medicine residency at Geisinger Medical Center in Danville, Pennsylvania. Dr. Admire is board certified by the American Board of Internal Medicine. In 2016, Dr. Admire participated in the Institute for Physician Leadership program through the University of California, San Francisco. Dr. Admire has numerous professional accomplishments and affiliations including serving with the Mobile Police Department as the police surgeon for 20 years.

Kenneth H. Breal
President, North Baldwin Infirmary and Vice President, Imaging & Support Services

Kenny Breal has served as the president of North Baldwin Infirmary since 2021. Mr. Breal joined Infirmary Health in 2015 as the executive director of imaging services where he successfully led the openings of three new outpatient imaging centers, as well as the state-of-the-art Breast Center at Thomas Hospital. In 2017, Mr. Breal was promoted to vice president of clinical operations and assumed responsibility for pulmonary and sleep services, as well as laboratory operations, across the health system. In 2019, he overtook operations at Infirmary Cancer Care until moving to his current role. Mr. Breal earned his bachelor’s degree from the University of South Alabama in radiologic technology with a focus on management and was recently inducted into the Covey College of Allied Health Hall of Fame. He serves on numerous committees across Infirmary Health and volunteers on several projects across south Alabama and Mississippi.

Ormand P. Thompson III
Executive Vice President, Baldwin County Operations, President, Thomas Hospital

Ormand Thompson is the president of Thomas Hospital and has served Infirmary Health in multiple capacities since joining the organization in 1991. Throughout Mr. Thompson’s career at Infirmary Health, he has provided leadership in the areas of hospital operations and physician practice management. Mr. Thompson has a Bachelor of Science degree in marketing from the University of South Alabama. He is the past president of the Eastern Shore Chamber of Commerce Board and the Baldwin County Economic Development Alliance. He currently serves on the Baldwin County Economic Development Foundation board. Mr. Thompson also serves on numerous local and state boards. He is a graduate of Leadership Mobile, class of 2006.

Paul Glisson, DO
Vice President, Chief Medical Officer and Assistant Chief Medical Informatics Officer, Thomas Hospital

Paul Glisson, DO, joined Thomas Hospital as the vice president, chief medical officer and assistant chief medical informatics officer, in April 2022. Dr. Glisson earned a Bachelor of Science degree in chemistry from Auburn University in 1992, a Ph.D. in Osteopathic Medicine from Kansas City University of Medicine and Biosciences in 1996, and an Master of Business Administration in healthcare administration in 2008. From 2001 to 2005, Dr. Glisson served as emergency room medical director for Thomas Hospital. In addition to his extensive experience and knowledge in emergency medicine and medical record informatics, Dr. Glisson is a veteran of the United States Navy, where he served as a general medical officer aboard the USS Austin LPD-4.

Kerry L. Tolleson
Chief Financial Officer, Infirmary Health

Kerry Tolleson is the chief financial officer for Infirmary Health – the largest non-governmental, not-for-profit healthcare provider in the state of Alabama – where he oversees the financial and revenue cycle functions for the health system. With more than 27 years of finance experience in the health care industry, Tolleson has served in executive positions at several organizations. Prior to joining Infirmary Health in 2013, Tolleson worked for Tenet Healthcare where he held the position of chief financial officer at various facilities during his tenure. Before that, he held financial executive roles at Baptist Health in Montgomery, Alabama. Early in his career, Tolleson served in financial management roles at HCA healthcare, where he started his career as an accounting intern. Mr. Tolleson earned his Master of Business Administration at Belmont University and a Bachelor of Science from the University of North Alabama.

Scott Fenn
Senior Vice President, Clinical Integration, Strategy, and Government Relations, Infirmary Health

Scott Fenn joined Infirmary Health in 2018 as the senior vice president - clinical integration, strategy, and government relations. In this role, Mr. Fenn led the development of Infirmary Health’s clinically integrated physician network, Infirmary Physician Alliance, and numerous clinical service lines. Currently, Mr. Fenn provides leadership to strategic planning, business development, population health, government relations, and marketing for the health system. Mr. Fenn earned his Bachelor of Business Administration from Baylor University and Master of Health Administration from Washington University. He is also involved with several community organizations, including the Executive Board for the Mobile Chamber of Commerce and the Board of Directors for the Mobile Area Council – Scouting America, and serves as an Advisory Board member for the Baylor University Healthcare MBA program.

Andrea Pritchett Rosler, MSHA, MBA, SHRM-SCP
Vice President, Human Resources, Infirmary Health

Andrea Rosler joined Infirmary Health as vice president of human resources in March 2025, bringing more than 30 years of healthcare human resources leadership experience. A native of Meridian, Mississippi, she earned her bachelor’s degree in business administration from Millsaps College and completed both a Master of Science in Health Administration and a Master of Business Administration at the University of Alabama at Birmingham. She is a Senior Certified Professional with the Society for Human Resource Management (SHRM-SCP). Andrea completed her administrative residency at Huntsville Hospital Health System, where she went on to serve as vice president of human resources until 2020. She later served as chief human resources officer for the University of South Alabama Health System. Andrea is active in leadership and mentorship roles across the region and serves as an instructor in the University of South Alabama’s Mitchell College of Business Healthcare Leadership Certificate Program.

Scott A. Browning
General Counsel, Infirmary Health

Scott Browning serves as the general counsel of Infirmary Health and is responsible for overseeing all legal affairs, providing counsel to executive leadership, and ensuring compliance with complex federal, state, and local healthcare laws, rules. and regulations. With a deep expertise in healthcare law, governance, and risk management, Mr. Browning plays a key role in guiding the organization’s mission and protecting its long-term interests. Having received his law degree from the University of Alabama and an undergraduate degree in business from Wake Forest University, Mr. Browning provides ethical leadership and collaborative problem-solving to aid the health system in the delivery of high-quality patient care.