Meet Our Team


Mark Sawyer


Mark brings to Oxford Treatment Center a strong business background and experience in driving clinical excellence in addiction treatment. His prior experience in healthcare includes serving as controller, CFO, director of operations and CEO at Twelve Oaks Recovery Center in Navarre, Fla. Under his leadership, the center made strides in client satisfaction, employee engagement and financial metrics, earning Acadia’s first Recovery Division Clinical Excellence Award in 2016. Mark is a native of Anniston, Ala. He holds a business administration degree in accounting and tax from Auburn University.

Billy Young

Senior Advisor for Clinical Excellence

The founding CEO of Oxford Treatment Center, Billy continues to serve in a consulting role with parent company American Addiction Centers. He has been involved in the treatment of addictive disorders for more than 30 years. His past experience includes successful tenures as Executive Director of Pine Grove Recovery Center in Hattiesburg, Mississippi; Executive Director of a CRC Health facility in Nashville, Tennessee, and CEO of Remuda Ranch in Wickenburg, Arizona. A native Mississippian, he holds an undergraduate degree from Murray State University in Murray, Kentucky and obtained his Master’s degree from the University of Mississippi.

Chip Peterson, M.Ed., LPC, NCC, CADC II, RN

Clinical Director

A veteran of the U.S. Navy, Chip provides oversight for the Clinical Operations of all Oxford Treatment Center facilities. He has served as Outpatient Services Manager and provided direct patient care in all clinical programs, and served as Group Facilitator for the Oxford Family Program. His prior experience includes working at the National Council on Alcohol & Drug Dependence of Northeast Mississippi (NCADD) in Tupelo, Mississippi. Chip holds a Bachelor of Science degree in Nursing from Mississippi University for Women and a Masters of Education degree in Clinical Mental Health Counseling from Delta State University. He is a Licensed Professional Counselor, Nationally Certified Counselor, and a Certified Alcohol and Drug Counselor through the Mississippi Association of Addiction Professionals (MAAP).

Barbara Cox, MS, LSW, MAC, SAP

Director of Outpatient Services

Barbara oversees Clinical Services at Oxford’s three outpatient offices. She is a Licensed Social Worker and Master Addiction Counselor. As a Substance Abuse Professional, she is certified to perform DOT assessments. She holds a Bachelor’s degree in Social Work from Union University and a Masters degree in Counseling from the University of Kentucky. Prior to joining the staff of Oxford Treatment Center, Barbara served clients through the Mississippi Vocational Rehabilitation Services, working with the disabled and individuals in recovery from alcohol and drug addiction. She has served on the Advisory Board for Ability Works in Oxford, Mississippi and is a member of the National Association of Social Workers (NASW).

Mary L. Smith

Director of Admissions

As the Director of Admissions for Oxford Treatment Center, Mary assists our clients and their family members during the admissions process for their medical detox and residential program stays at Oxford Treatment Center. Her experience in the addiction-recovery field includes working as a Clinical Assistant, Family Program counselor and Admissions Officer at New Life Lodge in Tennessee. In addition, she has spent time as a volunteer with the 23rd Judicial District Drug Court in Dickson County, Tennessee and managing Sober Living homes for women.

Mary Bragg

Director of Human Resources

Mary oversees human resources for Oxford Treatment Center’s inpatient and outpatient locations. She began her HR career with Cintas Corp. in Memphis, Tenn., and in Tuscaloosa and Montgomery, Ala. Desiring a career in healthcare, she joined Baptist Memorial Hospital-North Mississippi, where she served as HR manager for 14 years before coming to Oxford Treatment Center. She holds a bachelor of business administration and an MBA from Delta State University.

Mandy Ladner, CPSS

Discharge Planner

Mandy attended Millsaps College and graduated from the University of Mississippi, with a bachelor of arts degree in sociology and a minor in psychology. She has volunteered and worked in the recovery community since 2010. She is certified by the Mississippi Department of Mental Health as a Peer Support Specialist.