MTR’s services support our mission by connecting human and horse to help conquer physical, developmental and emotional challenges and improve quality of life. In addition, we provide a community of support for parents who often feel isolated when dealing with illness or disability. Learn more about Maryland Therapeutic Riding today. Founded in 1996 by Naomi Parry, Maryland Therapeutic Riding (MTR) has grown into an award-winning therapeutic riding center, has been accredited by the distinguished Professional Association of Therapeutic Horsemanship International (PATH) for 16 years and Premier Certified since 2000.