Douglas F.

Douglas F. "Doug" O'Neill

Douglas F. "Doug" O'Neill (May 24, 1968) is an American Thoroughbred horse trainer. He was born in Dearborn, Michigan, and resides in California, where he trained the 2012 Kentucky Derby and Preakness Stakes winner, I'll Have Another. Based at Hollywood Park Racetrack, O'Neill and his family reside in Santa Monica, California. In 1986 he began working in Thoroughbred horse racing as a stable hand and eventually a training assistant. In 1994 he obtained his professional trainer's license and since the early 2000s has been a major figure on the California racing scene, with the largest stable in Southern California and one of the largest and most successful in the United States. He gained national attention for his Breeders' Cup wins and international recognition for winning the 2003 Japan Cup Dirt at Tokyo Racecourse. Two horses trained by O'Neill, Liquidity and Great Hunter, raced in the 2007 Kentucky Derby. This was O'Neill's first and second start in the Kentucky Derby. Canadian owned 'I'll Have Another' won the 2012 Kentucky Derby on May 5, 2012. O'Neil recently won the Santa Anita Derby with 'Goldencents', who is considered one of the favorites for next week's Kentucky Derby.