Administrative Staff


Yancey NolanYancey B. Nolan, Sr., PHR

Managing Partner
Yancey obtained his Bachelor of Science from Centenary College of Louisiana in Accounting in 1994.  After working as a corporate accountant for 8 years, he transitioned into Human Resource Management for more than 14 years, primarily in the healthcare industry. Yancey began his association with Three Oaks in 2014. He obtained his Professional Human Resource (PHR) Certification in 2009.


Bettie Stewart-WallaceBettie Stewart-Wallace

Administrative Assistant
Bettie comes from the banking and finance background with a desire to make a difference in people’s lives. She has a heart for people and a desire to be a part of their journey for hope and healing. Bettie is married with two children, 3 grandchildren, and two fur babies.

Clinical Staff


Gray HilsmanGray Hilsman, MD

Psychiatrist/Medical Director
Dr. Hilsman is a cum laude graduate of Millsaps College and the University of Mississippi Medical Center. He finished a residency in psychiatry as Chief Resident. He has received board certification in adult/adolescent psychiatry, geriatric psychiatry and addiction medicine. He has been a member of Best Doctors since its inception and has practiced in the Jackson area for 40 years.


Clyde GlennClyde Glenn, MD

Psychiatrist
Dr. Glenn is a Board Certified Psychiatrist offering mental health services that combine medication management with a strong physician-patient therapeutic alliance. One of his areas of expertise is managing Trauma and Stress-Related Disorders. For over 25 years, Dr. Glenn has provided care to the whole person through integration of body, mind, and spirit. Dr. Glenn is Proprietor at Rehoboth Psychiatric Services in Ridgeland, MS. www.rehobothpsych.com


Chris CothernChris Cothern, MS, LPC-S, LMFT, SAP

Program Director
Chris has many years of experience in mental health services. He earned his Masters of Science in marriage and family therapy from Mississippi College in 1994. He became a Licensed Professional Counselor in 1996 and Licensed Marriage and Family Therapist in 1998. Additionally, Chris has enhanced his credentials by becoming a Board Qualified LPC Supervisor for the State of Mississippi and a certified Substance Abuse Professional. Counseling, for Chris, is a calling and he enjoys working with individuals, couples, parents and families. He has gained vast experience in assisting individuals facing emotional and psychological challenges. His role is to meet individuals where they are, identify support systems, encourage, motivate, educate, and assist in their development of coping skills that will alleviate current struggles but also provide skills to promote future success. Prior to beginning his work at Three Oaks Behavioral, Chris worked as a clinician providing EAP services, as a Director of Child & Adolescent Services, Director of Staff Development & Training for a partial hospitalization and intensive outpatient program and as a Regional Director for a national health management corporation.


Angela EssaryAngela Essary, LPC

IOP Clinical Coordinator
Angela earned a Master’s degree in Counseling Psychology from the University of Southern Mississippi in 2003 and became a Licensed Professional Counselor in 2005. She is a cognitive behavioral therapist helping people to explore their thoughts and actions, to change how they feel. For nearly twenty years Angela has helped people, in group and individual therapy, to walk through the darkness of mental illness and find the light.


Christopher WhiteChristopher White, P-LPC

Clinical Coordinator Adolescent PHP
Chris graduated with his M. A. in Clinical Mental Health Counseling from Liberty University in December 2023. He also holds a Bachelor’s degree from Liberty University, and Master’s degrees from New Orleans Baptist Theological Seminary and Louisiana State University – Shreveport.

Having worked in churches before beginning his counseling degree, Chris has over 10 years of experience in helping others. He is trained to work with individuals experiencing anxiety, grief, and family/marital issues, and enjoys working with individuals, families, and groups.


Mary Garner ReesMary Garner Rees, P-LPC

Clinical Assistant
Mary Garner completed her M.S. in Mental Health Counseling from Mississippi College in 2022. She is trained to work with issues such as anxiety, depression, chronic illness, grief, and trauma. She has experience working with adolescents and adults in individual, group, and family settings. Mary Garner believes in a holistic, mind-body connection approach, and she uses her educational foundation, clinical/personal experience, and love of neurobiology to meet those courageously seeking healing right where they are.


Amy StacklerAmy Stackler, P-LPC

Clinical Assistant
Amy completed a Master of Arts in Counseling from Reformed Theological seminary in 2021. Amy is trained to work with those experiencing depression, anxiety, trauma, grief, and family issues.She has experience working with individuals, families, and groups. Amy is passionate about living wholeheartedly, practicing self-compassion, and young adult literature.


Cheryl DunlapCheryl Dunlap, RN, BSN

Psychiatric Nurse
Cheryl graduated from the University of Mississippi Medical Center with a BS degree in nursing. She has over 25 years experience as an RN, with 22 of those years as a psychiatric nurse. She has worked with children, adolescents and adults in the behavioral health field.


Marcia FarrarMarcia Farrar, RN, LMFT

Psychiatric Nurse
Marcia Farrar is a registered nurse and a licensed marriage and family therapist. She holds a Bachelor of Science degree in nursing from Northern Illinois University and a master’s degree in marriage and family therapy from Reformed Theological Seminary. She was formerly the Program Director of Three Oaks for over 18 years and decided to cut back to part time status while serving our patients as a psychiatric nurse.


Joel WilliamsJoel Williams, LPC

Clinician
Joel completed a M.A. in Mental Health Counseling from Reformed Theological Seminary in 2021. He joined our team in January of 2022 after working in an outpatient clinic specializing in the treatment of addiction and trauma. He has experience working with family and couples’ issues, individuals, and groups. Prior to working in clinical mental health, Joel worked in various ministry and nonprofit capacities where he specialized in caring for the homeless populations of Southeast, Alabama. His desire is to walk with clients toward empowerment, healing, and acceptance of self and others using person centered, evidence-based approaches to counseling.


Jennifer HeggieJennifer Heggie, LPC-S, NCC

Clinician
Jennifer earned her Masters in Counseling Psychology from Mississippi College. She is a Licensed Professional Counselor, a National Certified Counselor, Board Qualified Supervisor by the Mississippi Board of Examiners for Licensed Professional Counselors and is a Board Certified Telemental Health Counselor. Jennifer has over 20 years clinical experience working with addictions, eating disorders, self-injury, depression, anxiety, self-esteem, body image issues and has worked with clients of all ages. She has experience working in both outpatient and inpatient settings. Jennifer has a private practice at Summit Counseling, a ministry of First Baptist Church Jackson.


Evan ApplegateEvan Applegate, LPC

Clinician
Evan earned a Master’s degree in Marriage and Family Counseling from Mississippi College in 2015, and has experience working with adolescents, adults, groups, families, and addiction. Evan also has experience working in the Children’s Cancer Clinic at UMMC, as well as Oakley Training School in Raymond, MS, counseling adolescents.


Karen Mori BonnerKaren Mori Bonner, LPC

Clinician
Karen Mori Bonner, MS, LPC is a practicing counselor who has a special interest and expertise in dream therapy. Karen works with individuals and families dealing with life issues and is known for her seminars and workshops on dream work. After a twenty year career in her family retail business in Jackson, MS, Karen received an Master’s degree in counseling psychology from Mississippi College in 2005. She is now a Licensed Professional Counselor (LPC) licensed by the state of Mississippi.


Hope ReaganHope Reagan, CMHT

Clinician
Hope is a certified mental health therapist , and has been a consultant with three oaks since they opened. She specializes in addictions with over thirty years experience in treating eating disorders, both in her private practice and previous director of an in-patient facility. Ms Reagan helped initiate the first eating disorder focus groups at all the major Mississippi Universities. Her training has been both 12 step oriented as well as a behavioral approach.


Paula St. PierrePaula St. Pierre, LCSW

Clinician
Paula M. St. Pierre, L.C.S.W., is a Licensed Certified Social Worker. Experienced in medical, mental health and addiction fields, Ms. St. Pierre provides consulting and supervision in treatment of dual diagnoses, addictions and eating disorders. Other areas of specialty include co-dependency and family of origin issues, grief, physical and sexual abuse, and divorce recovery for children and adolescents. She works with children, adolescents and adults in individual, couple and group settings.


Pamela TurnerPamela Turner, LPC

Clinician
Pamela Turner earned her M.A. in Marriage and Family Therapy from Reformed Theological Seminary in Jackson, MS. She went on to pursue training in Sexual Issues and Disorders at Richmont Graduate University in Atlanta, GA. She has post graduate training in medical issues, trauma and abuse, dysfunctional, compulsive/addictive and paraphillic sexuality. She has studied advanced courses in both Trauma and Abuse and Sexual Addiction. She is currently working as a clinician at Three Oaks Behavioral Health in Ridgeland, MS and has a private counseling practice in Ridgeland, MS.


Kerri PuckettKerri Puckett, LPC

Clinician
Kerri Puckett, LPC, is a counselor who owns a private practice affiliated with Collective Hope, LLC, in Flowood, MS. Kerri has special interest and experience in working with adults and adolescents struggling with depression, anxiety, grief, anger, suicidal ideation, self-harm, family conflict, cancer, and chronic illness. She graduated from Reformed Theological Seminary with a Masters of Arts in Counseling and previously served as a clinical therapist at a psychiatric residential treatment facility for adolescents prior to opening her own practice and joining Three Oaks.


Steven Reid PattersonSteven Reid Patterson, P-LPC

Clinician
Reid graduated with his Masters in Counseling from Reformed Theological Seminary. He has extensive experience in treating areas including anxiety and depression, trauma, life transitions, spirituality issues, relationship issues and addiction recovery. Reid has training in EMDR, Cognitive Behavioral Therapy, Internal Family Systems, and several other modalities. Reid has an interest in holistic and functional health as it pertains to mental health – seeing the mind, body, and soul weave together.


Cyndy McNeerCyndy McNeer, MS, RDN, LD, CDCES

Dietitian
Cyndy is a Registered Licensed Dietitian Nutritionist and Certified Diabetes Care and Education Specialist. She earned a Master of Science Degree in Nutrition and Dietetics from the University of Southern Mississippi. She has worked in various settings including inpatient, home health, outpatient nutrition and bariatric clinics, fitness and wellness centers, and private practice. She has had intensive experience in providing Medical Nutrition Therapy and Nutrition Counseling for adults and adolescents in the areas of diabetes, weight management, and disordered eating. She is a member of the Academy of Nutrition and Dietetics. Cyndy is passionate about helping others improve their relationship with food while empowering them to live their healthiest life.