Which Ukranian Canadian businessman is both the owner of an ice hockey team and a successful racehorse breeder?
Arch Hall (horse): Arch Hall (foaled 2001 in Ontario) is a Canadian Thoroughbred racehorse best known for his three consecutive wins in the Sir Barton Stakes at Woodbine Racetrack in Toronto, Ontario. Arch Hall (horse):  Owned and bred by Eugene Melnyk, he was out of the mare Selena Smile and sired by Archers Bay, the grandson of Leading sire in North America, Deputy Minister. Eugene Melnyk:  He is the current and sole owner, governor, and chairman of the Ottawa Senators professional ice hockey franchise of the National Hockey League (NHL).
Eugene Melnyk