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John P. Layh, PhD

Clinical Director

Dr. Jack Layh is the founder and Clinical Director of Layh & Associates. He received his doctorate from Ohio University and has worked in various inpatient and outpatient settings in both the private and public sector in the Greater Dayton area for more than 40 years.

He works with adults and adolescents. His special areas of interest include chemical dependency and the effects of other health-related issues on mental health.

Kathryn LeVesconte, PsyD

Board Supervisor

Dr. Kate LeVesconte is a clinical psychologist with more than 30 years of experience in clinical and supervisory environments. Kate holds a Psychology Doctorate from the Wright State School of Professional Psychology. She has been affiliated with Layh & Associates since 1989. In addition, she has worked at Greene Memorial Hospital, TCN Behavioral Services, and Oesterlen Services for Youth.

Kate is a certified provider of EMDR therapy (Eye Movement Desensitization and Reprogramming). Other special interests include trauma informed treatment, system approaches, family and couple psychotherapy, child and adolescent psychotherapy, attachment difficulties, clinical supervision, and women’s issues.

Renée Pinkelman, MEd, LPCC

Board Supervisor

Renée Pinkelman has worked in the mental health field for over 25 years providing mental health and substance abuse treatment in outpatient and residential settings.

She has provided leadership in the provision of quality treatment serving as the Clinical Director of an Employee Assistance program, Director of Wilmington College Counseling Services, and Director of Residential Services for a facility serving adolescent females.

Renée is skilled in several treatment approaches, providing flexibility to treat each client as a unique individual. She has been extensively trained in and practiced trauma informed care for over a decade. Her most frequent treatment modalities include Mindfulness, CBT, and DBT in conjunction with compassion and support. Renée also provides mental health assessments for pre-surgical and court related evaluations.

Rubin Battino, LPCC

Rubin Battino is a Licensed Professional Clinical Counselor who specializes in very brief therapy, hypnotherapy, and guided imagery. He is also Professor Emeritus of Chemistry from Wright State University, and has traveled as a visiting professor all around the world. He is a Fellow of the National Council for Hypnotherapy (UK).

Rubin is well-published in the field of brief therapy, including specialized resources in Ericksonian Hypnotherapy. He has over twenty-five years of experience as a facilitator of a support group for people who have life-challenging diseases and for caregivers. He has published ten books in the area of psychotherapy, and has done workshops at professional meetings in the U.S. and abroad. See his website ( for additional information.

Tim Callahan, PsyD

Dr. Tim Callahan is a clinical psychologist who has served children, teens and adults in variety of settings for 30 years. He received his doctorate in clinical psychology from Wright State University School of Professional Psychology in 1989, and completed a postdoctoral fellowship in forensic/correctional psychology in 1990. He is co-author of the books Wounded Children, Healing Homes and The Whole Life Adoption Book, both of which deal with trauma. He has previously served as director of mental health services for school-based programs, prisons, and community mental health centers. He started his career at Layh and Associates 32 years ago. Dr. Callahan has presented over 200 professional trainings on trauma-informed approaches, and has for the past 15 years served as a trainer for the Crisis Intervention Training (CIT) program for law enforcement.

Dr. Callahan provides psychological evaluations and individual, group, couples and family psychotherapies for all ages. His approach is client centered, and uses a variety of strategies to best fit the person’s needs and preferences, including existential, cognitive-behavioral, play, and trauma-informed therapies.

Jack Campbell, MRC, LICDC-CS

Since 1982, Jack Campbell’s career has included a variety of settings and multiple venues, including Greene Memorial Hospital and the Kettering Health Network, as well as extensive practice with EAP (Employee Assistance Program) counseling.  

Most specifically, he has spent over three decades working in the field of chemical dependency, providing both inpatient and outpatient treatment. For several years, Jack also served as director of an inpatient chemical dependency family program. He has facilitated, lectured, and led numerous workshops and training programs. 

Lia Ferrell, LISW, ITR-CTS, IFS Level 3

Lia Ferrell is a Certified Trauma Therapist and her primary expertise is in helping people heal from traumatic experiences. She is an experienced practitioner in Instinctual Traumatic Response therapy and in Internal Family Systems therapy, which together target the healing of the memories and aftereffects of traumatic experiences.  

After working in private practice in Virginia, she provided mental health and substance abuse counseling for Mental Health Services of Clark and Madison Counties, working with adults, adolescents, children, families and groups, and providing emergency hospital assessments.

William Ford, Sr., MRC

Bill Ford has over 30 years of experience in the mental health field, including case management as well as working with adults diagnosed with varying degrees of mental health, autism spectrum disorders and cognitive deficits of intellectual disabilities. Bill’s diverse background includes the facilitation and provision of supportive group therapy with those individuals diagnosed with chemical substance addictive behaviors.

Bill is an Adjunct Professor and Disability Services Coordinator at Wilberforce University where he provides classroom instruction for undergraduate students within the scholastic field of Rehabilitation Services and he has assisted with the revision and development of Program Learning Outcomes for the university’s undergraduate program for Rehabilitation Services.  He is an active participant in varied faculty team forums, workshops and other areas of program development embracing all aspects of gender equality through supportive advocacy of multicultural diversity.

Joyce Girard, LSW, LICDC

Joyce Girard is a graduate of the Wright State University and Miami University Advanced Master of Social Work Program. She practices as a Licensed Social Worker and Licensed Independent Chemical Dependency Counselor and has experience in both community behavioral health and private agencies in outpatient and inpatient settings. Her focus is on mental health issues such as anxiety, chemical dependency, depression, grief, trauma, and women’s issues.

Joyce has additional training in Crisis Intervention, Trauma Informed Cognitive Behavioral Therapy, and Grief/Loss issues.

Elizabeth Goodall, LPCC

Elizabeth Goodall’s focus for mental health treatment is compassionate, strength-based, and goal-oriented, while creating a positive and fun environment for personal growth. In addition to having a strong background in private practice, community-based, and school-based mental health counseling, she also maintains her status as a RYT at a local yoga studio where she teaches.

Her special focus areas for treatment interventions are mindfulness exercises, including CBT to focus on reality-based thinking processes and increasing positivity. Elizabeth has participated in extensive training for DBT and has utilized these principles with both teenagers and adults. She has also completed training for ITR trauma work (Instinctual Trauma Response) . The majority of her work experience revolves around issues including, but not limited to, depression, anxiety, borderline personality traits, self-harm, ADHD, mood disorders, trauma, family therapy, and group counseling.

Mark Greenberg, LISW-S

Mark Greenberg has over 23 years of mental health experience in a broad range of settings including inpatient, outpatient, and community and academic organizations. Most recently, Mark also serves as the staff therapist for a large pediatric group in Champaign County.

Mark enjoys working with adults but specializes in child, adolescent, and family related issues, which include ADHD, ODD, anxiety, depression, anger management, abuse & trauma, life transitions, social & behavioral problems, parent-child relationships, parenting issues, and conflict resolution.

Stanford Harris, MA, LICDC

Stanford Harris has an extensive background in individual, family, and group therapy for addiction and mental health treatment. Stan received his Masters in Counseling Psychology from Wright Institute at Berkeley, California and has provided clinical psychology work at Wright State University in Dayton, Ohio. Stan has travelled internationally with Process Institute’s “World Work,” and has presented workshops with Dr. David Jones of Siloam Pan-African Institute, in India, Greece, Bulgaria, Germany, and Switzerland.

Stan specializes in clients with addiction, co-occurring disorders, anger management, conflict resolution, domestic violence, trauma, military related issues, and couples counseling. He believes in compassion therapy and that individuals get better when they know that you care and believe in them. Stan believes in a multi-faceted clinical approach that incorporates treatment of the individual and their family, with an emphasis on their individual culture.

Bruce Heckman, PhD, MDiv, LPCC

Dr. Bruce Heckman has provided individual, group, and couples psychotherapy services for over 40 years. He is long-time member of the Layh & Associates practice. He has also provided care in a range of hospital, hospice, residential, intensive outpatient, and university counseling center settings. He served at the Supreme Court of Ohio as manager of dispute resolution section.

His areas of particular interest and expertise include the treatment of chemical and sexual addictions, and trauma and the provision of spiritual direction.

Marlee Layh, PhD

Dr. Marlee Layh was born and raised in Yellow Springs, Ohio. She completed her doctoral degree in Clinical Health Psychology from East Carolina University and clinical internship at the West Virginia University School of Medicine – Charleston. She spends the majority of her time in West Virginia where she works as a health psychologist as part of an interdisciplinary primary care team. Dr. Layh specializes in the areas of women’s health, gender and sexual minority care, and working with patients with chronic medical conditions. She also provides psychological and pre-employment evaluations.

As a clinician, Dr. Layh aims to create a collaborative working relationship with her clients. She primarily utilizes Cognitive Behavioral Therapy (CBT) in treatment but has experience in other evidence-based treatments such as Acceptance and Commitment Therapy and Dialectical Behavior Therapy. 

Melissa Layman-Guadalupe, PhD

Dr. Melissa Layman-Guadalupe received her doctorate from Ohio University and has provided services for children, adolescents, and families at Layh & Associates for more than 20 years. She also teaches at the University of Dayton and conducts research about self-disclosure and social media.

Her particular focus is trauma and abuse issues, but she enjoys helping children, teens, and young adults with all difficulties.

Martha Rogers, PhD

Dr. Marcie Rogers received her doctorate at the Fielding Graduate University and has worked as a therapist for 35 years in private practice, inpatient and outpatient mental health and chemical dependency treatment settings, in an elementary school setting, in a college counseling center, and in nursing homes. She also has ten years of experience as an elementary school teacher. She has been affiliated with Layh & Associates since 1982. 

She works with adults, adolescents, and couples and families, with a special interest in recovery from trauma and its impact on mental and physical health, attention deficit disorder in adults, and somatic experiencing nervous system integration of trauma healing. Dr. Rogers is EMDR trained. 

Tracy Sebastian, LISW-S

Tracy Sebastian has a diverse background in mental health, including psychiatric hospitalization settings with both adults and children, substance use disorders, inpatient and outpatient mental health, and individual and family therapy. Most recently, she has served as the Clinical Manager of YWCA of Dayton.

Tracy works with children, adolescents, adults, and families. 

Justin Simons, MSEd, LPCC

Justin Simons is a Licensed Professional Clinical Counselor and received his masters degree in counseling from the University of Dayton. Justin specializes in domestic violence, grief, anger management, life transitions, depression, anxiety, PTSD, and men’s issues. He utilizes CBT, mindfulness based interventions, experiential techniques, and trauma focused therapy.

The overall aim of Justin’s work is to help individuals empower themselves to gain fresh insight and perspective. He works together with individuals and couples to create goals that are realistic and challenging so that they might lead more peaceful, fulfilling lives and have more meaningful relationships.

Judith Skillings, PsyD

Dr. Judy Skillings has worked at Layh & Associates since 2008. She received her doctorate from Wright State University in 1986 and since then has worked in various inpatient, outpatient, and school settings, including as a Staff Psychologist for Greene Memorial Hospital, Samaritan Behavioral Health, and Montgomery County Jail and as a Professor of Psychology at Wright State University, Antioch University, Wittenberg University, and the University of Dayton, and co-chair of the Counseling Department at Antioch College.

Her special areas of interest include psychological assessment and multicultural issues in mental health. 

Louise Smith, MSEd, LPCC

Louise Smith has a diverse mental health background, including women in recovery, assertive community treatment,  partial hospitalization programs for youth, college counseling services, and private practice.

In addition to working in mental health, she served as the Dean of Community Life and was the Chair of the Theater Department at Antioch College for a number of years. She is trained in Jungian-Informed Psychotherapy, Mindfulness, and Contemplative Care. She works with people from a variety of identities and lived experiences, with a focus on life transitions, resilience, grief and loss, the power of creativity and the impact of larger social systems on our psyches. She is a strengths based therapist who helps clients to acknowledge where they are and see a way forward in these complex times.