Skills / Disciplines

Athletic, Cowboy Mounted Shooting, Companion, Dressage, Endurance, English Pleasure, Flashy, Hunter, Jumper, Hunter Jumper, Lesson, Show, Show Winner

Additional Comments

Dan Guillermo is a striking 10-year-old Thoroughbred gelding by a German stallion known for producing horses with exceptional movement, intelligence, and rideability. Standing 17 hands, he is a true gentleman with a kind disposition and an outstanding work ethic.

He is genuinely push-button to ride and has successfully competed over fences. Green enough to continue developing, he offers tremendous potential while already having the mind and temperament that make him an ideal partner.... (read more) He is the perfect horse for someone looking to start racking up the wins while continuing to develop a talented, willing athlete. With his athletic ability, scope, and willing attitude, he has all the ingredients to excel in the hunter/jumper ring.

Dan Guillermo is 100% sound, sane, and uncomplicated. He enjoys having a job, is honest, willing, and eager to please, making him a wonderful partner both in and out of the arena.

People often ask about the photos—and yes, they’re real. None of the images have been altered or created with AI. The photograph of him being ridden in a traditional Mexican saddle is authentic, and yes, the rider is actually firing from horseback. It speaks to Dan Guillermo’s exceptional temperament, confidence, and steady mind.

He truly is a Hollywood horse—the kind of horse that turns heads wherever he goes, yet has the kindness, versatility, and reliability to be an enjoyable partner every day.

Our goal is simple: to see Dan Guillermo go to an outstanding home where he can continue his education, make his next owner proud, and enjoy the next chapter of his career.

Alto Colorado

William Jones Miller has spent a lifetime with horses. Raised on a working ranch, he grew up in a family deeply rooted in the horse industry, with his father campaigning seven World Champion horses. His passion for Thoroughbreds began at age 18 when he purchased his first broodmare, and he has been breeding, raising, and developing Thoroughbreds ever since. William believes every horse deserves a solid foundation.... (read more) His philosophy is to produce well-educated, well-mannered horses that are enjoyable and useful, whether they become successful racehorses or excel in another discipline. That approach has resulted in horses that are athletic, versatile, and prepared for a wide variety of careers. In addition to his work with horses, William is widely recognized for his equine photography. Over the years he has photographed horses for royalty, including Queen Elizabeth II, the royal families of Dubai, the Aga Khan, numerous Fortune 500 companies, and many of the world’s most celebrated racehorses. He remains active today, creating distinctive equine portraits that reflect a lifetime of horsemanship—capturing the character and spirit of horses in ways that only someone who has spent a lifetime around them truly can.

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