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Our Facilitators


Mary Morrison Bennett

Mary Morrison Bennett

Mary Morrison Bennett, Ph.D., LPC-S, RPT-S is an Associate Professor in the Professional Counseling Program at Texas State University. Dr. Bennett received her B.S. in Special Education at Texas Christian University, her M.Ed and PhD in Counseling from the University of North Texas. She is a Licensed Professional Counselor Supervisor and Registered Play Therapist Supervisor. Dr. Bennett is the Director of the Institute for Play Therapy at Texas State University in San Marcos. She is a Past President of the Texas Association for Play Therapy. Dr. Bennett has presented on play therapy across the United States and in England, Ireland and Russia. She provides play therapy and serves as the mental health consultant for children at an orphanage in Port Au Prince, Haiti. Dr. Bennett has published on the play therapy process, trauma, Child Teacher Relationship Therapy and play therapy supervision in professional journals and books. She has been recognized for her professional contributions including the recipient of the Dissertation Award by the Association for Play Therapy for her research on Child Teacher Relationship Therapy and the Nancy Guillory Award by The Texas Association for Play Therapy. Her research interests include childhood trauma, international adoption, filial therapy and working with parents and teachers.

Email: mbennett@txstate.edu
Office phone: (512) 245-9071


Linda Homeyer

Linda Homeyer
Linda Homeyer is a Professor in the Professional Counseling Program at Texas State University. Dr. Homeyer is proud to be involved with the growing, vital, and prominent program that trains mental health professionals, working with a dedicated set of colleagues, and mentoring students on their professional journey. She has worked as a professional actress, but it was her work as an investigator of child abuse that led her to her interest in counseling children. An advocate for children and play therapy, she participates extensively in service, teaching, and writing. Dr. Homeyer served several years on the Texas Association for Play Therapy Board of Directors and served two terms as President of the Association for Play Therapy (APT) Board of Directors. She received APT’s Lifetime Achievement Award in October, 2013.
Dr. Homeyer is spending a great deal of time traveling the globe. In Malaysia she has assisted a core group to develop play therapy in their country over the course of several years. In India she is part of a team that developed and teaches pastoral counseling at India Bible College and Seminary. Dr. Homeyer has also taught play therapy and sandtray therapy in South Africa, Australia, Mexico, Canada, Great Britain, Ireland, Taiwan and even on a cruise ship! She is a frequent presenter throughout the United States.
Dr. Homeyer co-authored Sandtray: A Practical Manual; The Handbook of Group Play Therapy; Play Therapy Interventions with Children's Problems; and The World of Play Therapy Literature, as well as many book chapters and journal articles. Her work has been translated into Chinese, Russian, Korean, and Spanish. Her current areas of interest include exploring and researching the transferability of American counselor education (specifically play therapy) to international sites, with particular emphasis on cross-cultural and meta-cultural issues.
Email: lh10@txstate.edu                
Office phone: (512) 245-8677

Elizabeth Kjellstrand Hartwig

Elizabeth Kjellstrand Hartwig
Elizabeth Kjellstrand Hartwig, PhD, LPC-S, RPT-S, is an Assistant Professor in the Professional Counseling Program at Texas State University. She is licensed as a professional counselor in the state of Texas, a Registered Play Therapist, and an approved supervisor for professionals working toward their LPC or RPT. Dr. Hartwig has presented on play therapy, dropout prevention, and clinical supervision in local, regional, and national conferences. She worked at Communities In Schools of San Antonio, a non-profit dropout prevention agency, for 13 years. Dr. Hartwig specializes in play therapy, animal-assisted therapy, and working with youth at-risk of dropping out of school. Her favorite play therapy resource is puppets.
 
Email: ekk6@txstate.edu
Office phone: (512) 245-3757

Kate Halinski

Kate Halinski

Kate Halinski, PhD, LPC-S, RPT-S, is an Adjunct Professor in the Professional Counseling Program at Texas State University. She is a Licensed Professional Counselor Supervisor in the state of Texas and a Registered Play Therapist Supervisor. Dr. Halinski received her B.S. in Communication Studies at the University of Texas at Austin and her M.S. and Ph.D. in Counseling from the University of North Texas. Dr. Halinski worked in private practice, specializing in individual and group treatment of adolescents and adults struggling with eating disorders. Additionally, Dr. Halinski has experience as a play therapist working in community counseling settings as well as in elementary schools. Her interests include play therapy, filial therapy, group counseling, supervision and expressive arts therapies.

Email: khalinski@txstate.edu


Marshall Lyles

Photo of Marshall Lyles


Marshall Lyles, LPC-S, LMFT-S, RPT-S, EMDR CIT, has 15 years of practice in family and play therapy. He has extensive speaking and training experience and has worked in a variety of mental health settings. Most of Marshall’s clinical practice has focused on attachment trauma and its effect on family relationships. Marshall conducts supervision and consultation sessions with counseling professionals and leads training in both parenting and professional settings; much of his consultation and training focuses on the use of sandtray therapy within a trauma-informed context. He is EMDR-certified and TBRI-trained and uses these with foster and adoptive families. As Marshall is nearing the completion of his Ph.D. in Marriage and Family Therapy, more writing opportunities are emerging and this has become a passionate point of interest for him.