Our Leadership Staff
Chief Executive Officer
Mark Sawyer brings a strong business background and experience in driving clinical excellence in addiction treatment to his role as CEO of Oxford Treatment Center. Prior to coming to Oxford, Sawyer most recently served as CEO at Acadia Healthcare’s Twelve Oaks Recovery Center in Navarre, FL. During his six-year tenure at Twelve Oaks, Sawyer also served as controller, CFO, and Director of Operations. Under his leadership, the center made strides in client satisfaction, employee engagement, and financial metrics, earning the program its first Recovery Division Clinical Excellence Award in 2016.
Sawyer’s passion for addiction treatment is rooted in his ability to support those who are committed to helping others. His role includes providing a vision for clinical and support staff to do their best work and giving them the resources they need to make that vision a reality. Sawyer is dedicated to clinical excellence and innovation in addiction care.
Chief Operating Officer
Mark oversees all clinical aspects of Oxford Treatment Center’s programs. He has nearly 20 years experience in the coordination, development and management of inpatient chemical dependency and behavioral health programs. He is the former director of the Bureau of Alcohol and Drug Services for the Mississippi Department of Mental Health (DMH), having also led the department’s divisions of Adolescent Services, Clinical Services and Treatment Services. His efforts at DMH included advancing the use of evidence-based programs in community treatment centers across Mississippi.
Mark holds a Master of Education degree in Community Counseling from Delta State University. He devoted the early part of his career to supporting mental health and addiction recovery in the Mississippi Delta. He has presented extensively on dual-diagnosis treatment and on treatment planning at state and regional conferences. He has also served as director of the Mississippi School for Addiction Professionals.
Mat’s experience includes over 10 years of experience in the provision, coordination, and management of inpatient and outpatient substance abuse and mental health programs. He formerly served as Director of Youth Programs for Memphis Recovery Centers, Director of Alcohol & Drug Services and Family Drug Court Therapist for Region 8 Mental Health, and served in multiple clinical and supervisory roles with Youth Villages where he was involved in assisting with initiation and implementation of the MS Youth Programs Around the Clock (MYPAC).
Mat holds a Master of Science in Marriage and Family Counseling from Mississippi College, and a Master of Business Administration from the University of Memphis. He is co-published in the Journal of Applied Social Psychology.
Amy Woodward, BA, CADC
A former primary therapist at Oxford Treatment Center, Amy works with the business office and clinical team as a liaison to help families and patients navigate Oxford Treatment Center’s 90-day continuum of care. Her focus includes helping families ease the transition into next steps in treatment. Amy holds a bachelor of arts degree in psychology from the University of Mississippi and is a Certified Alcohol and Drug Counselor through the Mississippi Association of Addiction Professionals. Prior to joining Oxford Treatment Center, she worked for eight years in the field of adult residential addiction treatment, serving mostly indigent and pregnant populations in the Mississippi Delta. She has experience and specialized training in crisis intervention, suicide prevention and mental health first aid for adults and adolescents. She also has experience working with the judicial system and Drug Court as a consulting therapist, as well as in conducting outreach/aftercare focus groups for individuals who have recently completed residential treatment.
Barry Doughty, ICADC-I, SAP, CPI-Instructor
Direct Care Coordinator
Barry supervises residential treatment programs for adults ages 26 and older. His experience in the addiction field for more than 10 years includes working as an aftercare/outreach counselor with direct services, including group and individual counseling as well as teaching addiction education. An Internationally Certified Alcohol and Drug Counselor, he specializes in motivational interviewing and works to facilitate change that is patient-centered. He serves as a Substance Abuse Professional (SAP) for the U.S. Department of Transportation.
Reggie Watkins, MLAP, ADC, ICADC
Young Adult Program Coordinator
A veteran of substance abuse treatment in the state of Alabama, Reggie brings more than 25 years’ experience in helping people overcome drug and alcohol addiction. At Oxford Treatment Center, he leads a team of clinicians dedicated to the young adult patient population, ages 18-25. Reggie spent most of his career with Bradford Health Services in north Alabama. He entered the treatment field in 1990 and has worked with patients in both inpatient and outpatient treatment settings. His experience has included leading aftercare for families of people in early recovery, as well as developing and marketing treatment programs for adolescents. Watkins is certified as a Master’s Level Addiction Professional, Alcohol & Drug Counselor and Internationally Certified Alcohol & Drug Counselor. He holds a master’s degree in psychology.
Tori Ossenheimer, CTRS
Director of Experiential Services
Tori uses outdoor and recreation experiences as a therapy tool that helps patients overcome self-destructive habits and build a new sense of self to carry them into recovery. She joined Oxford Treatment Center from Community Health and Wellness LLC in Austin, Texas, where she worked primarily with young veterans who faced physical disabilities, substance-abuse problems or other challenges. She holds an undergraduate degree in therapeutic recreation from Southern Illinois University and is a Certified Therapeutic Recreation Specialist.
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.
Vernon “Buddy” Robinson
Director of Operations
Buddy manages all facility staff, including grounds, housekeeping and safety personnel. His experience includes managing facility safety programs at distribution companies, planning and budgeting maintenance requirements, and managing third-party maintenance contracts. He has also been an owner for lawn and landscape companies.
Mary Bragg, MBA, SPHR
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 is certified by the Human Resources Certification Institute as a Senior Professional in Human Resources and holds a Master of Business Administration from Delta State University.