executive Leadership Team


Martin Chaney, MD

Martin M. Chaney, MD
Chief Executive Officer & Chief Medical Officer

Martin M. Chaney, MD, serves as chief executive officer (CEO) and chief medical officer (CMO) for Maury Regional Health. He has more than 25 years of clinical and management experience, 21 of which have been at Maury Regional Health. In addition to serving as CEO, he is responsible for the areas of clinical quality, physician relations and physician recruitment, as well as the Hospital Medicine program in his role as CMO. He received his medical degree from University of South Alabama in Mobile, Alabama. He completed his internship and residency at University of South Alabama Hospitals and Clinics. Dr. Chaney is board certified in internal medicine and pediatrics.


Charlie Brinkley
Chief Administrative Officer

Charlie Brinkley, MBA, serves as the chief administrative officer (CAO). He joined the organization in July 2021 and has approximately 20 years of experience in accounting and hospital financial services, most recently serving as the CFO for Singing River Health System in Jackson and Harrison counties in Mississippi. Mr. Brinkley provides oversight for all health system financial functions, executive leadership for the hospitals of Marshall Medical Center and Wayne Medical Center, as well as the departments of Health Information Management, Coding and Supply Chain at Maury Regional Medical Center. He holds a Master of Business Administration and his undergraduate degree in accounting from the University of South Alabama in Mobile, Alabama.


Dennis Fisher
Chief Human Resources Officer

Dennis Fisher, MBA, SPHR, SHRM-SCP, serves as chief human resources officer (CHRO). He has been employed since 2021 and has more than 20 years of experience in human resources. As CHRO, he oversees all human resources functions, including recruitment, retention, employee relations, benefits, training and development, employee health services and volunteer services. Mr. Fisher holds a Master of Business Administration with a concentration in human resources from the Keller Graduate School of Management in Atlanta, Georgia. His certifications include senior professional in human resources and senior certified professional by the Society of Human Resources Management.


Christina Lannom, DO
Interim Chief Medical Officer

Christina Lannom, DO, was appointed interim chief medical officer (CMO) for Maury Regional Health in January 2023. Dr. Lannom joined the organization as the executive director of patient outcomes and senior physician adviser in 2014 and has more than 20 years of clinical and management experience. Dr. Lannom’s leadership experience includes serving as the hospitalist program medical director for a 203-bed acute care hospital. As interim CMO, she will provide oversight for medical staff services, case management, population health, infection prevention, pharmacy and the hospital medicine program. Dr. Lannom received her medical degree from Kirksville College of Osteopathic Medicine in Kirksville, Missouri. She completed her internship at Des Peres Hospital in Des Peres, Missouri and her residency at SouthPointe Hospital in Cleveland, Ohio. Dr. Lannom is board certified in internal medicine and also holds certification by the American Board of Quality Assurance and Utilization Review Physicians.


Deborah Lumpkins
Chief Nursing Officer & Chief Operating Officer

Deborah Lumpkins, DNP, RN, NEA-BC, serves as chief nursing officer and chief operating officer. She has been employed since 2000 and has more than 25 years of clinical and management experience. As CNO, she oversees all medical and surgical inpatient units/departments as well as the Emergency Department, Cancer Center, Women's Center and Nursing Professional Development Department. As chief operating officer her oversight includes Imaging, Physical Medicine, Home Services, Laboratory and Facilities Services at Maury Regional Medical Center. Ms. Lumpkins holds a bachelor of nursing degree from the University of North Alabama, a master’s degree in nursing administration from the University of Alabama and a doctor of nursing practice degree in executive leadership from American Sentinel University.


Linda Moore
Chief Legal Officer
 
Linda Moore, JD, CHC, CHPC, serves as Chief Legal Officer (CLO). As CLO, she oversees all legal services to Maury Regional Health system and its Board of Trustees, and also oversees the departments of Compliance, Risk Management, Internal Audit and Patient Experience. Ms. Moore received her Doctor of Jurisprudence from Vanderbilt University Law School, graduating as the Founder’s Medalist. She holds a Bachelor of Arts degree from Vanderbilt University, double-majoring in economics and sociology. Ms. Moore has been awarded a certification in Healthcare Compliance and a certification in Healthcare Privacy Compliance. Prior to joining Maury Regional Health in 2000, Ms. Moore was in the private practice of law, taught at Vanderbilt University Law School and was a judicial law clerk for the Honorable Gilbert S. Merritt, Chief Judge of the Sixth Circuit Federal Court of Appeals.

Bryan Mueller
Chief Executive Officer, Maury Regional Medical Group

Bryan Mueller, MHA, serves as chief executive officer (CEO) of Maury Regional Medical Group. He joined the organization in 2021 and has more than 20 years of health care leadership experience. As Maury Regional Medical Group CEO, Mr. Mueller leads a network of physician practices that include family medicine physicians, physician specialists, nurse practitioners and physician assistants. Practices are located in Maury, Lewis, Marshall and Wayne counties and offer more than 70 providers. He received a master's degree in health care administration from University of Minnesota in Minneapolis and holds bachelor’s degrees in nursing and chemistry, both obtained at the University of Manitoba in Winnipeg, Canada.


Greg Whitlock
Vice President of Finance & Information Technology

Greg Whitlock serves as vice president of finance and information technology. He joined the organization in 2018 and has approximately 20 years of experience in financial services and information technology teams in the health care arena. Mr. Whitlock previously served as controller for the organization and, prior to joining Maury Regional Health, served as the corporate controller for King's Daughters Medical Center in Ashland, Kentucky. He holds a bachelor's degree in accounting from the University of Kentucky and is a certified public accountant and certified information systems auditor.