Your path to healing begins here.

See How One Connection
Can Change Everything

One Connection Counseling Center is a personalized safe space for individuals who are seeking counseling services, mental health support, substance use groups, and addiction recovery. We offer a holistic approach to personal and professional growth, with our team providing mental health services alongside new programs in leadership development. Our goal is to empower individuals to welcome change, achieve personal and professional growth, and establish meaningful connections.

Our Services

Mental Health

Serving clients aged 18 and older, we address a range of mental health concerns, including life transitions, abuse, depression, trauma, relationship difficulties, stress, diversity-related issues, and substance abuse.

Substance use group

Our comprehensive substance treatment program, A Right Turn, is designed to provide a unique, individualized approach to support individuals and their families on their journey of recovery.

addiction recovery

We use a person-centered, strength-based approach, with evidence-based curricula, cognitive behavior therapy (CBT), motivational interviewing, and dialectical behavior therapy (DBT).

dui classes

The DUI School, located in Nashville, TN, utilizes a curriculum relevant for all individuals, although used mostly for persons with a legal violation such as impaired driving, possession, or a workplace policy violation.


Dr McKoy is a seasoned public speaker and facilitator specializing in mental health topics, such as grief, loss, addiction, and self-empowerment. She delivers thought-provoking presentations of any size with a compassionate and empathetic approach to inspire others to embrace their strength and resilience.


Dr. McKoy is able to connect with her readers and provide 10 practical actions to assist parents in coping with the death of a child. As an added benefit, this book identifies how friends and family can offer support to bereaved parents. Click the title to learn more and purchase your copy.


Our leadership development program empowers professionals with the skills to become decisive, compassionate leaders in their field. Participants in our program will unlock their full potential to excel in leadership roles by practicing power skills such as active listening, emotional intelligence, self-awareness, and conflict management under the guidance of our friendly expert coaches.

Meet The One Connection Team

Dr Tonya McKoy

Dr. Tonya McKoy is a licensed Clinical Psychologist, Professional Counselor, and Approved LPC Supervisor in Tennessee. With over twenty years of experience in psychology, Dr. McKoy offers therapeutic services to individuals, couples, and families. Additionally, Dr. McKoy has nearly two decades of experience in engineering, serving as project manager, process engineer, and operations leader. Dr. McKoy’s distinctive approach to leadership development and team building within her consulting services blends lessons from her expertise in both fields.

Reflecting on both her transformative experience guiding others through challenging life transitions, and the positive effect of mentorship on her own life and career path, Dr. McKoy values the significant impact even one connection can have. This has inspired the current mission of her practice, including the introduction of both a substance recovery program and leadership development program.

Dr. McKoy is here to help you embark on a path towards a happier, healthier, and more successful life and become one connection for others to do the same.

Chandra Jarret

Executive Coach and Consultant
Chandra Jarrett is an executive coach and consultant bringing a wealth of experience in training, leadership development, and business development. Chandra is committed to helping her clients discover their leadership potential and achieve their goals while navigating the professional landscape.

With a background in engineering and over 20 years of experience in the non-profit sector, Chandra combines her analytical skills with a passion for people, offering a supportive and creative approach that encourages strategic, and collaborative learning. She recognizes that every individual and organization is unique, and provides just the right amount of challenge to empower her clients to unlock their untapped potential. Expect to experience a newfound sense of confident liberation as a leader under Chandra's guidance.

Brandon Sands

Administrative and Operations Coordinator
Brandon is a behavioral change and drug safety researcher with a research background in the prevention and treatment of addiction and PTSD and has a passion for education, harm-reduction, and community building.

After receiving his Bachelors in Psychology from Vanderbilt University, Brandon started in clinical research through human behavior labs at Vanderbilt and Yale, as well as within international drug safety trials. Brandon has explored the areas of addiction, trauma, pain, psychedelics, and sexual health within NIH- and privately-funded clinical trials, has co-authored several publications at Yale School of Medicine, and has contributed to the safety oversight for a PTSD treatment currently undergoing FDA review.

Brandon understands how behaviors, both healthy and maladaptive, reflect life experiences and are responsive to stressors as well as social and therapeutic support, and he aims to make a difference in the lives of One Connection clients by ensuring compassionate, and comprehensive responses to their needs through our services.


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