With vast experience of operating in hostile environments, the founders and senior staff at Elk River are all former officers and operatives who come from the ranks of the Israeli Army Special Forces, Naval Special Warfare and Special Operations units, as well as personnel from Israel security and intelligence services.

Each instructor is selected for his or her specific and specialist expertise and all are trained to identify, prevent and respond to potential terrorist and other threats. Elk River’s aim is to combine the standalone specializations of intelligence, risk management, counter-terrorism training and technologically enhanced security solutions to provide its clients with a range of fully integrated security services.


Oded Krashinsky, CEO and Founder
An expert security consultant, Mr. Krashinsky founded the company to provide a level of service to his clients above and beyond all others. He has over 19 years of hands-on experience in operations, project planning, consulting and management. His personal involvement in all aspects of Elk River service delivery ensures that the highest standards are achieved and that no risk or threat is ever overlooked.

Mr. Krashinsky is a veteran lieutenant of one of the world’s most respected secret service special operations units. Having served for five years with a top-secret security clearance, he is specially trained in anti-terrorist tactics, multiple firearms and electronic counter-surveillance. He is recognized around the world for his unique implementation of defensive tactics and training.


Mark Tolleson, Director of Training & Operations
Mark is a dedicated training professional with over 25 years of real world military, law enforcement and private security experience in the US and worldwide. He is an accomplished instructor with thousands of hours of both platform and practical, reality based instruction. Mark is a certified “Train the Trainer” with instructor certifications in multiple disciplines from the Florida Department of Law Enforcement, F.B.I., U.S. State Department, N.R.A. Law Enforcement Division, State of Tennessee, American Red Cross and Smith Driving Systems.

With more than 17 years of teaching experience, Mark has also worked as an adjunct instructor for some of the most elite training institutions in the world, teaching various subject matter including; firearms, CQB, hostage rescue, Personal Security/Executive Protection and advanced driver training.