Chloe Kim (Korean: 김선 , born April 23 , 2000) is an American snowboarder. She is a gold medalist at the 2016 Winter Olympics , a four-time gold medalist at the X Games , and the first woman to win a gold medal at the Youth Olympic Games "snowboarding" event. In 2016, she became the youngest woman to win an Olympic snowboarding medal , when she won a gold medal in the women's snowboard half-pipe.