Callan Chythlook-Sifsof is an American snowboarder who has competed in snowboard cross since 2005. In 2006 she was invited to her first Winter X Games competition. Her best World Cup finish was second in a snowboard cross event in Arosa, Switzerland. She won the U.S. National Championships in Tamarack, Idaho in 2007. 2008 brought her to the Jeep King of the Mountain series where she captured the Woman's Title. She was the silver medalist in the Winter X-Games in 2011 in Aspen, Colorado. Chythlook-Sifsof also finished 19th in the snowboard cross event at the FIS Snowboarding World Championships 2007 in Arosa. It was announced on January 26, 2010 that Chythlook-Sifsof made the U.S. team for the 2010 Winter Olympics. In February 2014, during the 2014 Winter Olympics, in Sochi, Russia, she came out publicly as gay, saying she did so in support of ongoing Olympic protests of Russian anti-gay laws. "It's important to come out and take a stand and show the world that it's not OK to be a bigot." 

February 14th, 1989 in (Age 35)