The San Diego 500, The Book of Influential Business Leaders, is the market’s most comprehensive product of people you should know in the business community. The 500 includes business leaders and executives who have founded or are running significant companies in terms of number of jobs, key products and services, experts who raise the level of the industry here and beyond and those who lead in the business community. The 500 is selected by the San Diego Business Journal newsroom.

Joe Harper

CEO and President, Del Mar Thoroughbred Club

Joe Harper had bit parts in his grandfather Cecil B. deMille’s movies “The Ten Commandments” and “Greatest Show on Earth,” but he’s had a starring role in growing one of the nation’s top racetracks, the Del Mar Thoroughbred Club, which he joined in 1978. Since becoming president and CEO of the historic track in 1990, he boosted attendance and its profile. He’s a former president of the Thoroughbred Racing Association of North America and the Federation of California Racing Associations and has served for many years on the board of the San Dieguito Boys & Girls Clubs. Del Mar recently hosted the Breeders’ Cup to rave reviews from the horse racing community.

ALMA MATER: Chapman University

BUCKET LIST: Sleeping in.

CAR YOU DRIVE: Audi

FAVORITE GETAWAY: Anywhere in Italy.