Minnesota Martial Arts Academy
|Founded by||Greg Nelson|
|Primary owners||Greg Nelson|
Brock Lesnar heavyweight Champion (UFC 2008) 265 lb (120 kg)
|Prominent fighters||Nick Thompson (Strikeforce and Sengoku)|
|Training facilities||Brooklyn Center, Minnesota|
The Academy provides training in combative martial arts that include Muay Thai, Wrestling, Boxing, Brazilian Jiu Jitsu, Judo, Filipino Martial Arts, Jeet Kune Do, Modern Army Combatives, and mixed martial arts. The Academy's MMA team, Team Academy, has a winning percentage of 80%
Greg Nelson combined his background in NCAA Division 1 wrestling, from college, with the Thai-boxing training he began in 1983 to form the basis of his Mixed Martial arts system. Starting the gym in 1992 the focus was on combative martial arts & sport martial arts. As The Academy grew it attracted future ufc champions such as Dave Menne, Brock Lesnar, and Sean Sherk.
- Patrick Barry (martial artist) - UFC K-1
- Mike Richman - Bellator Fighting Championships
- Sean Sherk - Former UFC Lightweight World Champion
- Brock Larson - UFC, WEC Title Contender
- Chris Tuchscherer - UFC
- Jacob Volkmann - UFC, Former VFC Welterweight Champion, FILA- Grappling World Champion 80 kg
- Nick Thompson - Former BodogFIGHT Welterweight World Champion, UFC Veteran, Strikeforce, Sengoku
- Jon Madsen - UFC TUF 10 cast member
- Logan Clark - UFC & WEC Veteran, Sengoku
- Kaitlin Young - Invicta Fighting Championships
- Brandon Girtz - Bellator Fighting Championships
- Nick Kirk - Bellator Fighting Championships
- Rose Namajunas - Invicta Fighting Championships, King of the cage
- Dave Menne - Former UFC Middleweight World Champion
- Nik Lentz - UFC
- Brad Kohler -Former UFC fighter
- Brock Lesnar - Former UFC Heavyweight World Champion 
- Cole Konrad - Bellator Fighting Championships Heavyweight Tournament Champion
- John Morgan. "Minnesota MAA's Greg Nelson happy in background as Brock Lesnar moves to forefront".
- "BEST TEAM RECORDS. Sherdog. January 21, 2008". Retrieved 2008-01-21.
- Demko, Paul (May 16, 2007). "The Ballad of the Muscle Shark". City Pages. Retrieved 2007-05-16.
- Meltzer, Dave (January 21, 2008). "UFC gambles on untested Lesnar". Yahoo! Sports. Retrieved 2008-01-21.