Meet Our Team
Stephanie Knight Clarke, LPC, ALPS, NCC, PMH-C
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Stephanie Knight Clarke is a Licensed Professional Counselor, an Approved Licensed Professional Supervisor, Perinatal Mental Health Certified, and a National Board Certified Counselor. Stephanie earned her master’s degree in Mental Health Counseling from Marshall University. She has been practicing for over 15 years and has experience with adults, children, couples, and families. Stephanie’s passion is working with the perinatal population and working to create a support network that empowers the women of West Virginia. She serves on the PSI-WV board.
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Stephanie has experience working with the school system and takes every opportunity to serve the students and teachers of WV. She utilizes Cognitive Behavioral Therapy and is certified in Trauma-Focused Cognitive Behavioral Therapy. She has also been intensively trained in Dialectical Behavior Therapy. In 2023, she completed the level 1 and 2 training by the Gottman’s to increase her skills and to provide evidence-based treatment for couples.
Stephanie provides training and consultation services in the workplace and educational settings, as well as for foster families and other mental health professionals.
William "Bill" Mullett, EdD, LPC, NCC
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Bill Mullett continues to provide counseling services following a 40-year career in public education as a school counselor, counselor supervisor, and counselor educator in higher education. He has worked as a therapist part-time for almost 30 years, serving clients of all ages. His counseling approach is based in Adlerian Therapy. He believes in first understanding his clients, then providing encouragement and building on the strengths of his clients. He incorporates Cognitive Behavioral Therapy and Reality Therapy among others in his sessions. Bill holds degrees from West Virginia University in Education and in Counseling, as well as a Doctorate in Counselor Education. He is board-certified by the National Board of Certified Counselors.
Autumn Williamson, MSW, LICSW
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Autumn Williamson is a Licensed Independent Clinical Social Worker (LICSW) who provides therapy for adolescents (14+) and adults. She earned her Bachelor of Arts in Psychology and Master of Social Work from Marshall University.​
She has specialized training and experience in perinatal mental health, supporting birthing parents and/or partners through infertility, pregnancy loss, and birth trauma. She is also trained in Gottman Level 1 couples counseling and offers this service to a diverse range of couples and co-parents. While not an LGBTQ+ specialist, she is LGBTQ+-affirming and experienced in working with same-gender and queer couples in a compassionate, inclusive space.​
Her approach is rooted in DBT, CBT, and trauma-informed care, integrating strengths-based and mindfulness strategies. She supports clients with depression, anxiety, OCD, grief, self-esteem, relationships, trauma, and life transitions.
Katheryn "Kay" Grimes, LPC
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Kay is a Licensed Professional Counselor with a graduate degree from Marshall University, with over 30 years of experience. She works with children and adults in individual, family, and couples settings. Her approach is primarily based on Cognitive Behavioral Therapy and Adlerian theory. Her focus includes depression, anxiety, relationship problems, family, and parent-child problems. Her goal is to help persons find their inner strength to resolve the issues that are keeping them from a healthy, more satisfying quality of life.
Ashley Thaxton, LPC
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Ashley Thaxton is a Licensed Professional Counselor and a Nationally Board Certified Counselor. She earned her Master of Arts degree in Counseling from Marshall University. She has experience in the public school system as a school counselor. Ashley provides counseling services to children, adolescents, families, and adults. She has assisted children with depression, anxiety, trauma, ADHD, divorce, grief and loss, and other behavioral and emotional issues. She utilizes Cognitive Behavior Therapy, Trauma-Informed, and Person-Centered approaches. She is passionate about creating a safe, supportive, and encouraging space in which children can work toward positive growth.
Kelli Yingling, NCC, Provisionally Licensed Professional Counselor, PMH-C
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Kelli Yingling is a Provisionally Licensed Counselor and a Nationally Certified Counselor, supervised by Stephanie Knight Clarke, LPC, ALPS. She obtained her BA in Political Science from the University of Charleston and her MA in Clinical Mental Health Counseling from Marshall University. Kelli provides individual and family therapy to children, adolescents, and adults.
She is dedicated to working with the perinatal population, including mothers and fathers, with advanced training in perinatal mood disorders, birth trauma, infertility, and perinatal loss. She is a member of Postpartum Support International (PSI) and serves as the Legislative Chair for PSI-WV.
She is passionate about helping individuals heal from trauma to improve their daily lives and family relationships. She has been trained in Trauma Focused Cognitive Behavioral Therapy, foundational Dialectical Behavioral Therapy (DBT) skills, and is EMDR trained.
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Sophie Nellhaus, LPC
Sophie Nellhaus is a Licensed Professional Counselor. She received her Master’s degree in Mental Health Counseling from Marshall University. Her therapeutic approach is grounded in evidence-based practices, including DBT, CBT, and ERP. Sophie has extensive experience supporting children, adolescents, and adults navigating OCD, anxiety, depression, and trauma. In her work with individuals with OCD, she uses a blend of Cognitive Behavior Therapy and Exposure Therapy to build understanding of symptoms and encourage self-acceptance. Sophie has recently obtained her certification as an Autism Spectrum Disorder Clinical Specialist and brings knowledge and compassionate understanding to work with individuals with Autism Spectrum Disorder. She aims to create a safe, nonjudgmental, and inclusive space for all clients.
Other Services
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Brooke Cunningham, M.S., CCC/SLP
Brooke Cunningham, M.S., CCC/SLP, is a pediatric speech/language pathologist who serves families across West Virginia. She received her M.S. in Communication Disorders from Marshall University in 2017. Brooke is licensed by the West Virginia Board of Examiners for Speech-Language Pathologists and Audiologists and maintains status for Certificate of Clinical Competence through the American Speech Language Hearing Association. She is also a member of the International Association of Orofacial Myology. Brooke has a passion for continuing education to provide the highest level of services to her patients. She is trained in identifying and treating pediatric feeding and swallowing disorders, delays/difficulties related to orofacial myofunctional disorders, and speech production. She has completed the following specialty trainings: Beckman Oral Motor Protocol, Sequential Oral Sensory (SOS) Approach, Tethered Oral Tissues (TOTS) Training, AEIOU Feeding Approach, and Introduction to the Orofacial Complex for treatment of Orofacial Myofunctional Disorders.
Jennifer Warden, Licensed Psychologist​
Jennifer is a Licensed Psychologist with 15 years of experience with children, adults, and families. She earned her Bachelor of Arts in Psychology and Sociology from Concord University and her Master of Arts in General and Clinical Psychology from Marshall University.
She is licensed by the West Virginia Board of Examiners of Psychologists to provide therapy and assessment services for all ages. She has spent the majority of her career working with middle school and high school students who have been placed in an alternative school-based setting due to behavioral issues. She has assisted clients with trauma, depression, anxiety, anger, grief, ADHD, disruptive behaviors, substance use, and other behavioral/emotional issues. She also has experience with completing evaluations for involuntary commitments of adults.
She utilizes Cognitive Behavioral Therapy, Dialectical Behavior Therapy, and Humanistic Therapy, and has advanced training in Cognitive Behavioral Therapy and Trauma-Focused Cognitive Behavioral Therapy.
Jennifer offers evaluations for children and adults who have concerns about Autism Spectrum Disorder, ADHD, and Learning Disorders. She is passionate about helping others become more confident in themselves and their ability to succeed and maintain healthy thought patterns.
