Mark Sheridan Quarter Horses, Inc.
Cave Creek, Arizona  
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A University of Findlay, Ohio graduate, Mark Sheridan holds a Bachelors of Science in Equestrian Studies. Mark has over thirty years experience producing winning all-around show horses. He has trained and coached multiple Quarter Horse Reserve World Champions in both English and Western divisions.

Mark has been an AQHA, AAAA ranked, and NSBA category one ranked judge since 1993. he has judged the AQHA World Show four times, the AQHA Youth World Show twice, the All American Quarter Horse Congress four times, as well as the Australian, European, Canadian, Japan Championships, and NCAA and IHSA Collegiate Championships numerous times.

Mark is a past president of the Arizona Quarter Horse Association, a member of the AQHA Professional Horseman’s Association, and was awarded Arizona’s Most Valuable Professional Horseman in 2008, and is recognized on the University of Findlay wall of fame. He is an author of articles for numerous nationally published magazines, conducts clinics nationally and internationally, and has recently produced a three DVD series on achieving perfect lead changes. Mark is finishing his first book on Valuable Tips for the Horsemanship Class which will be out soon on his website.