Jens Pulver is an American mixed martial artist (MMA). He was the first Ultimate Fighting Championship (UFC) lightweight champion and was a coach on the The Ultimate Fighter 5 reality show, which aired on Spike TV. He was formerly signed as a featherweight with World Extreme Cagefighting (WEC), which is owned by Zuffa (the parent company of the UFC). Pulver holds notable wins over BJ Penn, Caol Uno, Rob Emerson and Joe Stevenson. He is one of only two men to defeat BJ Penn at lightweight.