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580-771-2662 or


In the event of a mental health emergency, please refer to the resources below:

National Veterans Crisis Hotline:
(800) 273-8255, push 1

National Women Veterans Hotline:
(855) 829-6636

Steven A. Cohen Military Family Clinic at Red Rock

Our Team

Amista ChambersAmista Chambers | Clinical Director

As Clinical Director for the Steven A. Cohen Military Family Clinic at Red Rock, Amista Chambers oversees all clinical operations. Amista is a Licensed Professional Counselor and a Board Approved Clinical Supervisor who provides evidence-based clinical treatment with a specialty in trauma-informed care.

Amista received her Bachelor of Science in Psychology from Cameron University while playing collegiate softball. She then went on to earn her Master of Science in Behavioral Science while coaching collegiate softball.

Prior to joining the Cohen Clinic at Red Rock, Amista was employed at an inpatient behavioral health hospital as the manager of intake and utilization review. Amista and her husband co-own a chiropractic and wellness center where she previously delivered individual, couples, family, and group counseling.

Amista is a fan of all sports but most specifically a fan of baseball and the Chicago Cubs. She is passionate about helping improve the lives of others through a holistic approach to health and wellness.  

Tresa PriestTresa Priest | Office Manager

Tresa Priest has more than 20 years of experience in office management. Her experience ranges from Co-Owner of a Professional Corporation that was medically related to Administrative Liaison and Senior Administrative Assistant for a Behavioral Health provider in Oklahoma City. Tresa now resides in Lawton, Oklahoma, with her husband of 26 years. She enjoys spending time with her family which includes a son, age 24, and a daughter, age 21. Kim also enjoys bicycling, swimming and cooking.

As Office Manager for the Stephen A. Cohen Military Family Clinic at Red Rock, she provides administrative support to the entire Cohen team as well as assist with clinical support operations.

Taylor PoindexterTaylor Poindexter | Outreach Manager

CSM (Ret) Taylor Poindexter is the Clinic’s Outreach Manager and a proud American Veteran. Taylor served as a career military soldier for over 30 years in the US Army. He was assigned to numerous units and locations around the world and is a veteran of four combat deployments. Through his vast experience and understanding of the military, Taylor feels honored to be part of the Cohen Team in order to continue his service to veterans and their families. Taylor holds a Bachelor of Social Science from Upper Iowa University and is a certified Mental Health First Aid Instructor.

Taylor lives in Elgin, Oklahoma, with his wife, Becky. They are the proud parents of four adult children and Cooper, their 12 pound Shih Tzu.

Nicholas PloofNicholas Ploof | Data Manager

Nicholas A. Ploof is a native of Lawton, Oklahoma, and is currently serving as the Data Manager for the Steven A. Cohen Military Family Clinic at Red Rock, Lawton, Oklahoma. Nicholas is a third generation veteran of the United States Army and served as an Army Medic as well as a Communications Specialist for one of the largest military installations. He received his Bachelor of Science at Cameron University while at the same time working to help fellow veterans at a local orthotics and prosthetics clinic. After graduating from college, Nicholas decided to change his career to the oilfield as a Flowback Operator and Systems Specialist. He worked for three major fast-paced oil and gas companies in Texas and Oklahoma.

When Nicholas isn’t working, he enjoys spending time with his brother, who is an Army veteran, and his two toddler nephews. His hobbies are hiking, exercising, helping others, and watching sporting events.  

Kimberly ClarkKimberly Clark | Intake Coordinator

Because Kimberly’s parents were in the military, she was born in Germany and raised in many places throughout Texas, Alabama, and New Mexico. Kimberly lived in Las Cruces, New Mexico, until her father retired to a new job at Fort Sill, Lawton, Oklahoma. Kimberly has been working in the mental health field since 2015. She has held different positions, including mental health technician and intake coordinator for an inpatient facility for four years. Kimberly has a Bachelor of Science in Psychology and a Master of Science with a focus in counseling. Kimberly has worked inpatient as a PRN therapist in addition to outpatient counseling with multiple populations. Kimberly has been under supervision for two years and is still in the process of obtaining licensure.

Larken Wofford

Larken Wofford is a Licensed Marital and Family Therapist, holds a master’s degree in Behavioral Science, and is a board approved Licensure Supervisor. She has experience providing individual, couples, family, and group therapy to children, adolescents, and adults as well as extensive experience in providing trauma informed training for providers and organizations in the community. Her clinical focus areas include trauma informed care, crisis intervention, and relationship repair and enhancement. She values a non-pathologizing, collaborative approach to treatment and utilizes emotion focused therapy, acceptance and commitment therapy, EMDR, and internal family systems. Larken’s experience as a military spouse, particularly through deployment as well as transition to retirement, imparted a passion and commitment to serving and supporting our nation’s heroes and their families.


Christine MooreChristine Moore | Clinician

Christine graduated from Cameron University with a Master of Science in Behavioral Science with an emphasis in Marriage and Family Therapy. She began her career working at the USAG Fort Sill Family Life Office as an intern working with individuals, couples, and families as well as Moral Injury group counseling directly under the Chaplain at Fort Sill Army Base. Christine continued her career in a variety of settings: outpatient clinic, public school, and inpatient hospital. While working in public school, Christine worked closely with active duty military family members. While working in the inpatient hospital she worked extensively with active duty military and veterans that were actively suicidal or experiencing psychosis. 

Christine has received training in EMDRIA approved certified EMDR Therapy (eye movement desensitization and reprocessing), completed a training program to become a Registered Play Therapist (RPT), received training in Level One Theraplay, received certified training to become a PREPARE/ENRICH facilitator working with premarital and married couples, and received iRest (Integrative Restoration) Therapy training in the meditative practice of Yoga Nidra, effectively reducing PTSD, depression, anxiety, insomnia, chronic pain, and chemical dependency endorsed by the US Army Surgeon General and Defense Centers of Excellence.

Christine is passionate about serving individuals, couples and families utilizing client centered, trauma informed care as well as focusing on parenting struggles and improving symptoms from depression to anxiety, suicide prevention, trauma and other mental health and trauma related disorders.

Kristen MolloyKristen Molloy | Clinician

Kristen Molloy is a Licensed Professional Counselor (LPC) who has experience working with individuals from many walks of life. She believes in working collaboratively with each client as a pro-active advocate never forgetting that each person is unique and deserving of respect. She taught in the educational system for 15 years where she mainly served pre-teens, teens, and their families. After seeing the desperate need for mental health care and having a deep desire to help, Kristen furthered her education at the University of Oklahoma where she journeyed through the Human Relations program and continued with extra hours to work towards her LPC. Due to teaching in a school with a high military family population, Kristen is most driven to help teens and military families. Her experience includes, but is not limited to, working with clients who struggle with grief, loss, depression, anxiety, domestic violence, PTSD, and trauma.

Janet HuddlestonJanet Huddleston | Administrative Assistant

Janet Huddleston is the administrative assistant at the Steven A. Cohen Military Family Clinic at Red Rock, Lawton, Oklahoma. She became licensed in 2017 as a Licensed Practical Nurse (LPN). Janet was born and raised in Southwest Oklahoma and has many fond memories of going to Fort Sill with her grandmother almost daily. She has been married for three years with two children whom she loves spending time. Shortly after receiving her license, Janet began working in the mental health field at an inpatient mental health facility where she delivered direct patient care.
In 2019 Janet began working as an intake coordinator and doing utilization review at that same facility. This is where she gained her knowledge in administrative responsibilities and interacting with insurance companies.

Muhammad AliMuhammad Ali | Case Manager II - Level 1

Muhammad is the father of five lovely daughters and the grandfather of six grandchildren. Muhammad is also an Army veteran that served over 20 years on active duty with three deployments in defense of the Country and one United Nations Humanitarian mission. Muhammad has served soldiers, veterans, and their family members since his retirement from the military in 2006. He has worked in Army Community Services, the Warrior Transition Unit, and Reynolds Army Health Center ensuring that the transition from military to civilian life was as seamless as possible. Muhammad has served on countless committees and personally designed and implemented programs to improve the quality of life for soldiers, veterans, and their family members. Muhammad also served in the civilian sector as a certified drug and alcohol coordinator, a marriage family therapist (candidate), which culminated to the manager of the Lawton Community Health Center. Muhammad earned a Bachelor of Science degree in Sociology and a Master of Science degree in Behavior Health.

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