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Meet Our Team

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Debbie Blackmon


Mrs. Blackmon is a Licensed Psychological Associate with Independent Practice. This means that she has a Master’s Degree in Psychology, and has completed more than 3000 hours of supervised practice in order to practice independently. Mrs. Blackmon is also a Certified Clinical Trauma Professional and general EMDR practitioner. She is additionally trained in Internal Family Systems, Somatic Experiencing, and Sensorimotor Psychotherapy. She is also trained by Natural Lifemanship as a clinician and Equine Professional. Natural Lifemanship is a Trauma-Focused Equine-Assisted Psychotherapy process.


Mrs. Blackmon has over 30 years of experience as a mental health professional, and has worked in private practices, schools, and non-profit organizations. She has experience working with individuals with disabilities in both the school and equine settings. She is passionate about supporting all people to find their inner strength and resilience, regardless of the challenges they have experienced in life.

    Sierra Kahler

    Equine Professional 

    Spring Site

    Sierra Kahler is a lifelong horseman with a deep love for helping people learn how face the inevitable challenges in life by becoming more connected to themselves and others through the work of trauma focused psychotherapy. She is trained as an Equine Professional through the Natural Lifemanship model and has experience working with a wide variety of horses and people. Along with her work as an EP, Sierra is also a USDF Bronze and Silver medalist and is the assistant trainer at a local dressage barn. In her down time she enjoys spending time with her two Trakehners and BLM Mustang. 

      Young woman with horse
      Young woman with horse

      Tynea Riggleman

      Equine Specialist

      Fulshear Site

      Tynea Riggleman is a PATH certified Equine Specialist in Mental Health and Learning. She is currently an Equine Assisted Learning Instructor at a local Therapeutic Horsemanship Facility. She has experience working with multiple populations including veterans, adjudicated youth, and individuals with disabilities. Her passion for helping people heal through horses has always been strong, with hopes of making a significant impact within the foster youth community. She is completing her master's degree in Clinical Mental Health Counseling and will begin a counseling internship in September 2023.

        Sherri Grandorf

        Therapist/Equine Professional 

        Spring Site

        Steffi Grandorf is a Licensed Psychological Associate, holding her Master’s in clinical and organizational psychology. She worked as the Operations Manager in the international office of a leading market research company, and although she enjoyed working with people all day, she realized that her heart was into helping, developing, and strengthening the individuals on her team. She followed this idea in 2015 by switching to Equine Assisted Psychotherapy. She is trained in Natural Lifemanship and EAGALA and has practice in EFT. With her background she can fill the role of Mental Health Professional or Equine Specialist in a session. In clinical cases she is supervised by Dr. Beverly Walsh, PhD.  Steffi has experience working with victims of trauma and relating to people from different cultures and backgrounds, of all different ages. She is fluent in English and German and has a good understanding of Dutch.

        Steffi has loved horses all her life and is fascinated every day anew by how positive interacting with horses is for the soul.

          Woman with horse

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