Joe Warren won a gold medal at the 2006 Greco-Roman World Championships to become only the fifth American to win a Greco-Roman world title.

The other four - Dremiel Byers, Rulon Gardner, Dennis Hall and Mike Houck - are all Distinguished Members of the Hall of Fame.

A three-time U.S. World Team member, Warren finished ninth at the 2005 Greco-Roman World Championships and was a two-time gold medalist at the Pan American Championships and also a gold medalist at the World Cup. Following a runner-up finish at the U.S. Olympic Team Trials in 2004, Warren won back-to-back Greco-Roman national championships in 2005 and 2006.

Warren was a finalist for the Sullivan Award, presented annually to the best amateur athlete in the United States, in 2007.

Competing for the University Michigan, Warren earned All-America honors with a third-place finish at the 2000 NCAA Division I Championships and finished sixth at the 2000 World University Championships.

Warren was a Michigan state wrestling champion and a three-time state place-winner for East Kentwood High School in Grand Rapids, Michigan. As a senior, he had a perfect 52-0 record and set the national high school record for takedowns with 487 while being named Mr. Michigan as the state's best male athlete.

A three-time MMA Bellator World Champion and the first two win titles in two weight classes, Warren was the first athlete to be a wrestling world champion and an MMA world champion.

Warren continues to coach both wrestlers and MMA fighters and currently helps coach many USA Wrestling National Team Greco-Roman athletes.