Senior Leadership Team

Davin Turner, DO
Chief Executive Officer

Davin Turner, DO, is chief executive officer (CEO) for Maury Regional Health, joining the organization in February 2022. He has more than 30 years of healthcare experience, most recently serving as President and Chief Medical Officer at Mosaic Life Care Medical Center St. Joseph, a 352-bed tertiary hospital in St. Joseph Missouri. He has been with Mosaic Life Care since 1996. During that time, Dr. Turner also served as chief medical officer and president of Mosaic Life Care Clinic, a multi-specialty practice consisting of more than 200 physicians and 100 advanced practice providers at 50 locations in three states. Mosaic is the only healthcare system in Missouri that is a member of the Mayo Clinic Care Network, a select group of independent health systems that are granted special access to Mayo Clinic's knowledge and medical expertise. Dr. Turner received his medical degree from Oklahoma State University College of Osteopathic Medicine and Surgery in Tulsa, Oklahoma. He trained at the University of Massachusetts – Fitchburg Family Practice and Brighton Medical Center in Maine and is board certified in family practice. In addition, Dr. Turner completed his master’s degree in Healthcare Management from the University of Texas in Dallas. His professional affiliations include the American College of Healthcare Executives, American College of Physician Executives, American Medical Association and American Osteopathic Association. 

Charlie Brinkley
Chief Financial Officer

Charlie Brinkley, MBA, serves as the chief financial officer (CFO). He joined the organization in July 2021 and has approximately 19 years of experience in accounting and hospital financial services, most recently serving as the CFO for Singing River Health System in Biloxi, Mississippi. Mr. Brinkley provides oversight for all health system financial functions as well as the departments of Health Information Management and Supply Chain. He holds a Master of Business Administration and his undergraduate degree in accounting from the University of South Alabama in Mobile, Alabama.

Martin M. Chaney, MD
Chief Medical Officer

Martin M. Chaney, MD, serves as chief medical officer (CMO) for Maury Regional Health and also filled the role of interim chief executive officer (CEO) in October 2021. He has more than 20 years of clinical and management experience. As CMO, Dr. Chaney maintains responsibility for the areas of clinical quality, physician relations and physician recruitment as well as the Hospital Medicine program. 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.

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.

Deborah Lumpkins
Chief Nursing Officer

Deborah Lumpkins, DNP, RN, NEA-BC, serves as chief nursing officer (CNO). 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. 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 Rippey Moore
Chief Legal Officer

Linda Rippey Moore, J.D., CHC, CHPC, serves as Chief Legal Officer (CLO).  With over 30 years of legal experience, she has been employed since 2000.  As CLO, she oversees all legal services to Maury Regional Health system and its Board of Trustees, and also oversees the departments of  Risk Management, Compliance, 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,  majoring in economics and sociology, from Vanderbilt University.  Ms. Moore has a Certification in Healthcare Compliance and a Certification in Healthcare Privacy Compliance.  Prior to  joining Maury Regional, she was a Judicial Clerk for the Honorable Gilbert S. Merritt, Chief Judge of the Sixth Circuit Federal Court of Appeals and taught at Vanderbilt University Law School.

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.