Guy Mezger has achieved success in several styles of martial arts. In addition to a career filled with multiple world titles, Guy has trained numerous professional and amateur athletes for the Lion's Den in Dallas Texas for the past 17 years.

Since retiring from competition Guy continues to focus on training students to reach their full potential.

2004 World Contact Karate Champion
2003 European Vale Tudo Champion
2000 World Pancration Championship - Super-fight Champion (2X)
1998 King of Pancrase (3X)
1997 UFC X III Champion
1996 World Freestyle Fighting Champion
1995 WKC World Kickboxing Champion
1993-94 World Full-Contact Karate Champion
2003 IMAA Hall of Fame
2001 IMAA Martial Arts Instructor of the Year

2000 Universal Martial Arts Hall of Fame

2000 Texas Martial Arts Hall of Fame