Duane Paul Ludwig is a retired American professional kickboxer and mixed martial artist. As the K-1 2002 World MAX USA Champion, he is one of only five K-1 Champions and the only K-1 World MAX Champion to compete in the UFC. In addition, Ludwig also holds the official fastest knockout record in the UFC after his win against Jonathan Goulet at UFC Fight Night 3. Ludwig was ranked as the top lightweight in the world during 2003 and 2004, for his victories over Jens Pulver at UCC 12 and Genki Sudo at UFC 42, up until a loss to B.J. Penn at K-1 MMA: Romanex. Ludwig has also received acclaim for his role in the success of Team Alpha Male operating out of Sacramento, California, which is home to numerous highly ranked mixed martial artists who have competed in organizations such as the Ultimate Fighting Championship and World Extreme Cagefighting. Ludwig currently serves as the teams head coach, where his impact is believed to have been the "missing link" in elevating the team as one of the gold standards for training camps in the world. Ludwig has been voted the Coach of the Year and Gym of the Year in 2013 by the World MMA Awards. 

August 4th, 1978 in Denver (Age 45) as Duane Paul Ludwig