Mixed Martial Arts (MMA) is a combat sport which includes striking and grappling, both standing and on the ground. MMA incorporates techniques from Boxing, Muay Thai, Brazilian Jiu Jiu-Jitsu,  Wrestling and other Martial Arts. 

STX Kickboxing is a hybrid striking system developed by Erik Paulson that focuses on explosive techniques in Boxing, Panantukan, Jun Fan/JKD Kickboxing, Savate, and Muay Thai (Thai & Dutch methods). 

No Gi Grappling - Combat Submission Wrestling (CSW)
Sensei Erik Paulson’s system (CSW) blends Judo, Freestyle Wrestling, and Greco-Roman Wrestling with techniques and submissions from Shoot Wrestling, Brazilian Jiu-Jitsu, Sambo, and Catchascatchcan. 

CSW trains the individual to strike, clinch, takedown, and submit on the ground.