Combat Submission Wrestling (CSW) is a system developed by its founder; Sensei Erik Paulson. It is the first mixed martial arts (MMA) system that completely synthesizes the various martial arts studied by Sensei Erik into one complete system. Considered to be one of the pioneers of MMA and a well sought after trainer throughout the world for training many successful fighters in the UFC, WEC, and Pride; such as Sean Sherk, Josh Barnett, Cub Swanson, and Brock Lesnar to name a few. A few of Sensei Erik's notable accomplishments are former World Light Heavy Weight Shooto Championship, Pan-American BJJ Champion, and Abu Dhabi veteran.

CSW encompasses three areas of training:

1.) Kickboxing

- Primarily STX kickboxing (Savate / Thai / Cross Training) STX draws from the most effective techniques and training methods of various stand up striking arts.

2.) Clinching

- From the standing position in which striking may or may not be allowed. CSW students are trained in the Muay Thai plumb, dirty boxing with the use of elbows, knees, and punches. As well as tie ups from wrestling and Muay Thai with trapping hands / hand immobilization from Jun Fan Gung Fu and Filipino Kali.

3.) Grappling

- Identifies both submission wrestling and submission fighting. CSW synthesizes the following grappling arts into one training system:

- Shootwrestling

- Machado BJJ

- Judo

- Sambo

- Catch wrestling