The Board of Managers

Zachary C. Talbott


Zachary Charles Talbott (Zac) is a Maryville, TN native, graduate of Maryville High School and the University of Tennessee at Knoxville, Tennessee Licensed Alcohol & Drug Abuse Counselor (LADAC), Tennessee Qualified Clinical Supervisor (QCS), a Tennessee licensed social worker (LMSW), and a nationally recognized expert in comprehensive opioid use disorder (OUD) treatment.

Zac founded, opened, and operated outpatient opioid treatment programs in Georgia and North Carolina starting in 2015. As a testament to the quality care of his treatment programs, the North Carolina State Opioid Treatment Authority (SOTA), the individual who directly regulated Zac's North Carolina facility, filed an official letter of support for TLC's efforts to establish a new program in Maryville, Tennessee.

Zac has provided operational, policy, compliance, and clinical consulting for office based opioid treatment (OBOT) providers and opioid treatment programs (OTPs) across six U.S. states, and is proficient in the behavioral health accreditation standards of The Joint Commission and CARF International.

Zac is the 2019 recipient of the Richard Lane & Robert Holden MAT Advocacy Award from the American Association for the Treatment of Opioid Dependence (AATOD), a prestigious national award given to one individual in the United States every 18 months for exemplary achievements in MAT advocacy and influencing related policy.

Leslie Talbott Tummel

Executive Vice President

Native to Maryville, TN, Leslie Talbott Tummel (Leslie) went on to obtain her Bachelor of Arts in Psychology from Maryville College in 2003, and her Doctorate degree in Physical Therapy (DPT) from Belmont University in Nashville in 2006.

She completed an advanced certification course in Vestibular Rehabilitation at Emory University in 2007, and has enjoyed working with patients in this capacity in multiple clinical settings over the last 14 years. More recently, she has completed courses to learn how holistic and non-traditional interventions can be beneficial in the healing process.

Leslie's life has been personally touched by the opioid crisis as she has experienced the devastating loss of family members to overdose deaths. She has also experienced great joy in witnessing other friends and family live a life of victory through recovery. Because of both experiences, Leslie feels an incredible amount of gratitude to bear witness to the recovery process and the success it can bring to individuals, families and communities. Leslie looks forward to bringing her physical therapy background and holistic health perspective to Talbott Legacy Centers in partnership with top experts in the field of comprehensive opioid use disorder treatment.

Alan J. ("Chip") Fuller

Vice President of Operations & Finance

A Maryville native, Alan Joseph Fuller (Chip) came to the field of opioid use disorder treatment in 2015 to help establish a comprehensive opioid treatment program (OTP) in Chatsworth, Georgia after more than 23 years as an educator and administrator in the Maryville City and Blount County, Tennessee school systems. Chip has a Bachelors and Masters degree from the University of Tennessee at Knoxville, and he holds an Education Specialist (EdS) in Administration and Supervision from Lincoln Memorial University.

Chip was first bonded with the Blount County Sheriff’s Office more than 20 years ago, and he has served as a reserve deputy and/or chaplain with the Blount County Sheriff’s Office during that time.

Although initially focused on security and administration issues with the Chatsworth, GA opioid treatment program, Chip quickly became passionate about seeing individuals find recovery from opioid use disorder. He subsequently sought education and clinical supervision and became credentialed as an alcohol & drug (A&D) counselor.

Chip served on the Executive Committee of the Opioid Treatment Providers of Georgia (OTPG)’s Board of Directors during his time in Georgia, and Chip is a National Recovery Month Planning Partner.

Joshua G. Tummel

Vice President of Corporate Development

Joshua Grant Tummel (Josh) is a native to Knoxville, TN, and met his wife, Leslie Talbott Tummel, at Maryville College. Currently, he is a commercial account executive with Third Door Insurance, and is member of the board of managers for Patricia Hall Talbott Legacy Centers. He too has been personally affected by the opioid crisis, and has immense gratitude to be able to share in the recovery journey of several friends and family members. He looks forward to bringing his business expertise to our board of managers.