|Birthplace||Santo Domingo, Dominican Republic|
|Birth date||January 14, 1988|
|Career wins||not found|
|Major racing wins, honours & awards|
|Major racing wins|
California Cup Matron (2008)
Breeders' Cup Sprint (2009)
|Dancing in Silks|
Raised on a farm where he regularly road horses, Joel Rosario attended jockey school for six months. He obtained his professional license at age fourteen and began riding at Hipódromo V Centenario in Santo Domingo where he earned his first win in July of 2000. He went on to be win four Dominican Republic riding titles. In 2006 he emigrated to the United states where he raced from a base in California.
In 2007, Joel won 154 races out of 1,024 with earnings of $3,323,006
In 2008, Joel won 192 races out of 1,322 with earnings of $7,936,465.
In 2009, Joel Rosario got his big break when he was the leading jockey at the Hollywood Park Racetrack for the spring/summer meet and then earned his second riding title of the year at Del Mar Racetrack. On November 7th he won the most important race of his career at Santa Anita Park when he captured the US$2 million Breeders' Cup Sprint aboard Dancing in Silks. 
On December 11, 2009 Joel Rosario equaled a Hollywood Park Racetrack record when he won six races on a single racecard. Previously, the feat had been achieved by Hall of Fame jockeys Bill Shoemaker (1953, 1970), Laffit Pincay, Jr. (1968), Kent Desormeaux (1992). 
During his breakout year, Joel won 284 races out of 1,476 mounts with earnings of $13,073,777 and was 5th in the national earnings list.