Located in beautiful Scottsdale Arizona, Checker XII Ranch was founded by life-long horse enthusiast, Dr. Otto Stanislaw who draws from more than 30 years of equine experience as a horseman. That lifetime of experience combined with Otto’s veterinary medical training leads to first class care plus a cutting edge eye for your next western performance prospect. Otto invites you to visit Checker XII Ranch, just minutes from West World, to see his selection of quality prospects and show horses. Veterinary appointments are also available to ensure your performance horse is at the top of its game.