Our treatment team

About Mustang Medicine Works, LLC

Vision Statement:

A dynamic, evolving, environmentally-sensitive company offering equine-assisted, experiential, and traditional mental health counseling and coaching programs, professional counselor services, and books by author, Darrell G. Yardley, PhD, LPC.

Mission Statement:

To facilitate personal and spiritual growth and healing for teens, adults, families, groups, and couples, using equine-assisted and nature-based experiences, along with traditional approaches. Offerings include workshops, seminars, books, and individual and group sessions.


Mustang Medicine Works is located in scenic upstate South Carolina at 5246 Moorefield Memorial Hwy (SC Hwy 178) 29657, between Liberty and Pickens, SC.

The Treatment Team:

Treatment Team: Carl (back) and Dr Y (foreground)Equine Assisted Treatment Team, Carl and Dr. Y (foreground) during a session.

Darrell G. Yardley, PhD, LPC, is the mental health specialist of the equine treatment team. Click here to see his Curriculum Vitae.

Dr. Yardley is a national teacher, author, as well as a licensed professional counselor. He has a doctorate in zoology with specialties in genetics, psychobiology (mind-body interconnection) and sexology (the study of human sexuality). He is EAGALA certified. His experience includes over eighteen years of clinical counseling in both private practice, medical, and university settings. He is also certified in advanced clinical hypnotherapy and life coaching. On a more personal note, he is father of three grown children and grandfather of four.

In addition to his book WindWalker: Journey into Science, Self, and Spirit, and his new outcoming book, Dharma and Your DNA: A Spiritual Path in a Scientific World due to be published in 2015, he has published over 75 articles, manuals, and papers in biology, sociology, spirituality, and counseling. Dr. Yardley is Professor Emeritus of Zoology of Clemson University with over 25 years of teaching and research in molecular biology and genetics, from which he draws heavily for his psychobiology specialty.

Patricia P. Henry, MS, LPC-I is a licensed professional counselor intern, and in process of her EAGALA certification for equine assisted counseling. Mother of an eleven year old, she specializes in ... ADHD and has had experience ...

Carl Rathz, BS, is the equine specialist for our equine assisted counseling and is EAGALA certified. He was born in Virginia and has lived in the South, the Midwest and the West. He is the Equine Specialist of the treatment team. He has been involved with horses since he was 10 years old. His most extensive involvement with horses began in 1986 when he started owning, riding and breeding horses. He moved to teaching others about horses in 1999. Carl is the all around horseman gaining most of his knowledge through personal experience. He trains horses, teaches other people about horses through riding lessons, does minor vet care and trims hooves. He consults on the development of horse facilities and conducting horse businesses. He has extensive education and knowledge of pasture management. He is co-owner with his wife, Brenda, in CBR Horses, Inc. On a personal note, he is father of two grown daughters and three grandchildren.