About Us

John and Susan Xanthopolous, Dressage Tyraining, Horse Boarding

J&S Sport Horses, Inc. was founded in 2006. John and Susan are both accomplished equstrians with a combined 90 years between them.The goal for creating  J&S Sport Horses was to offer and promote horsemanship at it's finest. 

Susan has been riding since she was a child and has been practicing Dressage since she was 20. She trained her first horse to Grand Prix when she was 30. She took a break form riding in 1991 for two years to go to USC and become an occupational therapist. Susan has trained many horses.  She has taken from world-renowned trainers mostly from England and Germany and several from the U.S.

Susan has a remarkable show record in California and was 12th in PSG in 1990. Susan moved to Dillon, MT, in 2005 where she met and married John.  She has been teaching dressage and biomechanics at J&S since 2006. Along with her extensive dressage training, Susan has studied straightness training and biomechanics which has helped to transform her students and their horses. Her expertise is superior for those who want to get ahead and excel at their riding.

John Founded the UMW IHSA Equestrian Team in 2001. For 10 years, J&S  proudly hosted the IHSA Team at our facility. which ended May, 2014.  

John has founded seven equestrian teams nationally for the IHSA since 1973.  John owned several barns in New York where he taught hunters and hunt seat equitation. John has been a part of USEF/USHJA and a Judge since 1978.