Jesse Csincsak (born April 3, 1982) is an American professional snowboarder, television personality, and founder of the nonprofit organization JSAK Snowboarding, which helps snowboarders with Olympic aspirations to raise money for training, travel, and related expenses. Csincsak owns a couple property management Companies serving Colorado's mountain communities and the Arizona valley of the sun. Jesse co founded Southwest Tactical defense group a firearms training facility. He was also a coach at High Cascade Snowboard Camp and a snowboard instructor at Breckenridge Ski Resort.

Csincsak was the winner of the fourth season of the television reality show competition The Bachelorette. He was married on August 28, 2010 to Ann Lueders, who appeared as a contestant on the thirteenth season of The Bachelor. The couple married with a televised wedding in Las Vegas and hosted a post-wedding bash at the resort Rumor with star studded wedding party. The couple have two sons and a daughter.

Csincsak is a regular stanced rider and has been competing in snowboarding since 1994.