He currently trains with Greg Jackson's Mixed Martial Arts team based out of Denver, Albuquerque, and Montreal. Currently, Marquardt's coaches and trainers are Trevor Wittman (Boxing and Stand-up), Greg Jackson (MMA), Jonathan Chaimberg and Loren Landow (Strength and Conditioning), Leister Bowling (Freestyle Wrestling), Phil Nurse (Muay Thai and Kickboxing), and Firas Zahabi (MMA and Muay Thai). Marquardt also runs an academy, High Altitude Martial Arts located in Aurora, CO.
Nate first won the Pancrase Middleweight title in 2000. At the time, he was the youngest fighter to ever own the title "King of Pancrase." Marquardt fought in Pancrase until 2005 and won 7 title fights in the process. Nate left Pancrase as the champion to pursue his dream of fighting in the UFC. Nate has aquired wins over top fighters such as Wilson Gouveia, Demian Maia, Jeremy Horn, Dean Lister, Martin Kampman, Joe Doerkson, Ivan Salaverry and hopes to soon get a title shot and to become the Middleweight UFC champion.
Links to gyms are listed below.














