Ranked 16th in the world at the time, he participated in the 2008 Summer Olympics in Beijing as a member of the United States fencing team. He was the youngest fencer in Beijing and the youngest U.S. Olympic fencer of all time. At the 2010 World Fencing Championships in Paris, he won a bronze medal in the men's foil event, tying with Yuki Ota of Japan. After his gold medal win at the 2012 U.S National Championships, he was selected as an alternate fencer for the 2012 London Olympics U.S men's foil team. For the 2016 Rio Olympics he was selected as a member of the United States fencing team and won the bronze medal in the team foil competition. He again qualified for the United States in fencing at the 2020 Olympics in Tokyo where he won his second consecutive bronze medal in team foil.