"Matt Powell" (Matthew Powell) is the first westerner to be the student of the A.A. Kadochnikov System, was the founder of K-Sys.org and North America's most visible instructor from 2000-2004, and creator of PraMek. Matt Powell has trained various celebrities, military units, high risk executive protection personnel, and other groups in need of combatives training. Matt Powell's students have included a range of people, from megastar rapper Ludacris and I-20 (rapper), to teaching at the US Army Combatives Institute.
On July 22 2004, he announced on rmaforum.comhttp://web.archive.org/web/20041015005609/http://www.rmaforum.com/phpBB2/viewtopic.php?t=623 archive.org that his K-Sys.org website would not be brought back up, his organization K-Sys would be disbanded, and his pursuits would be redirected towards his own art, PraMek.
His published works include K-Sys: An American Understanding of the Basics of the Kadochnikov Style of Hand-to-Hand Combat Fighting, an 82-page pdf e-manual on Kadochnikov's Systema, which is available to the public in limited supply.