Brent Steffensen is a professional stuntman, trampoline artist, and obstacle course athlete from San Antonio, Texas. In his younger years, Brent Steffensen trained as a competitive gymnast, snowboarder, and diver in his hometown in Utah. According to his website, Steffensen is "most notably known for becoming the first American to complete the Ultimate Cliffhanger in Stage 3 of the Las Vegas Finals on Season 4 of American Ninja Warrior."