![Pavel Tsatsouline Pavel Tsatsouline](http://www.qbd.com.au/img/authors/1094.jpg)
He has been a physical trainer and drill instructor with the Spetsnaz, the Soviet special forces. However he is now a civilian trainer and consultant with the U.S. Marine Corps Martial Arts Program, nuclear-security units of the U.S. Department of Energy and elite units of U.S. Marshals and SWAT teams.