Chester (Chet) Zajac began his study of controlling violence in 1966 with the study of the martial arts in Michigan, which lead to his study and research of anatomy, physiology and kinesiology, relative to controlling violent human behavior. Chet has a Bachelors Degree in Criminal Justice and founded the Karate Institute curriculum within Colorado Mountain College (CMC). As a staff instructor for CMC he teaches accredited courses in advanced martial arts and instructor development. Chet worked as an EMT and initiated the EMS first responder program for the Aspen Police Dept. in 1980.  In 2000, Chet retired from the Aspen, CO Police Department to pursue officer safety training and associated equipment. Chet is the founder of a multi-agency use of force program, founder of the Violent Behavior Control Curriculum and the author of the text: “Violent Behavior; Understanding and Control” Chet was the lead arrest control instructor at the Colorado Mountain College Police Academy for many years, served as a Subject Matter Expert on the State of Colorado Police Officers Standards and Training Board, served for 4 years on the Board of Directors of  the Colorado Law Enforcement Officers Association,  is a Certified Instructor/Trainer by the PPCT Management Systems Inc. , testifies in courts nationally as a Use of Force Expert, is a regular conference speaker and is and an accomplished martial artist. Feel free to call him with course curriculum questions: 970-963-6040 or email Chet: chet@czcorp.com

Eugene T. Gwynn

Eugene T. Gwynn
Lieutenant Colonel Retired
U.S. Army Special Forces

Lieutenant Colonel Gwynn retired with 26 years active service with U.S. Army Special Forces. Colonel Gwynn commanded small units using specific Tactical Planning Systems for mission preparation and execution. As an SF officer, a primary mission was the military training and organization of other militaries and paramilitary entities conducted by himself and his subordinates. This mission was accomplished world wide. Colonel Gwynn was the Training Officer for the DEA’s Operation Snowcap, which operated in Latin America during which time he reviewed and evaluated training and equipment for the Operation, teaching and supervising other trainers to ensure safe and effective operations including introducing combatives training beyond normal arrest control procedures. Colonel Gwynn also led a DEA mission to train Royal Bahamian Police Anti-Drug Unit, Nassau, Bahamas.

Colonel Gwynn began and directs DCSystems of Durango, Colorado, which provides Security Services and Training to individuals, corporations, law enforcement entities. He participated as a principle trainer of Federal Aviation Administration Air Marshals. He has provided Tactical Planning System instruction for several Pressure Point Control Tactics, Inc., annual Use of Force Conferences. Colonel Gwynn is currently certified as Instructor for various firearms disciplines, and unarmed combatives.

Rob Jones

Director of Special Operations
Rob brings to the organization twenty-three years of experience in Intelligence Collection and Analysis, Strategic and Operations Planning, Threat Response, Mediation, Training, and Executive Protection Operations.

Rob served as a United States Army Ranger. His career led him to Military Intelligence and Counter Intelligence within the Army Special Forces, culminating with an assignment to the DEA as an intelligence analyst.

Rob has a Bachelor’s Degree in Criminal Justice from Chapman College and graduated from the Colorado Department of Corrections Academy. A Correction Officer and a Drill Instructor, Mr. Jones continued his education by attending the Federal Bureau of Prisons Academy and the Police Academy. Mr. Jones received his Masters in Applied Communication and his Certificate in Alternative Dispute Resolution from Denver University in June 2005.
Email Rob at: bugrangerob@aol.com

Shawn Moody

Shawn is one of the 2004 additions to the team. As a police officer with the Greenwood Village Police Department, he serves as Patrol Officer, ERT member and Explorer advisor. Prior to becoming a Police Officer in 1998, Shawn served the city as a dispatcher from 1993-1998. Shawn received his Criminal justice degree from Metropolitan State College in 1993, and graduated from the P.O.S.T. Academy in 1996.

Shawn has proven himself as an educator, receiving certifications as a Master Instructor for TASER, and Instructor Certifications in Verbal Judo, OC,Sudden Custody death Syndrome, PPCT, Law Enforcement Edged Weapons Tactics, and POST Firearms.

Shawns Martial Arts history is comprised of 8 years of Tae Kung Fu.

Robert Ross

A former Sgt. in the United States Marine Corps, Robert Ross began his career as a Police Officer in 1991 in the Denver Metropolitan area where he served as a S.W.A.T. Team member. Rob is currently a member of a major Metropolitan Police Department in the Baltimore / Washington D.C. area and is assigned to an inner city patrol division.

Rob's experience includes the following; S.W.A.T. Team operator, the advanced hand-to-hand combat and edged weapon tactics instructor for his former S.W.A.T. Team, Field Training Instructor and has a background in Gang Enforcement having served two separate Gang Enforcement Unit tours with previous Police Departments. Rob is also a Certified Arrest Control and Defensive Tactics Instructor, Baton Instructor, Tactical Edged Weapons Instructor, F.B.I. certified S.W.A.T. Chemical Agents and Less Lethal Instructor, Factory Trained Department Armorer for Colt, Para Ordnance, Smith & Wesson, H&K, Glock, Remington, Ruger, Sig Sauer, and Beretta, and has specialized in the area of officer safety and survival. Rob is a survivor of several lethal force confrontations, and is a Police Medal of Honor recipient.

Seeing a lack of lethal force options provided to Police Officers, Rob solicited the help of DDS Staff Instructors Luis Lopez and Kurt Scheuermann, and developed the Law Enforcement Edged Weapon Tactics course in 1995. In 1996, Dynamic Defense Systems was founded and the course has been offered nationwide to Police Officers and Military Personnel.

Dr. David Siddle, Ph.D.

Violent Behavior control co-author
Dr. David Siddle is a Massachusetts licensed National Certified Rehabilitation Counselor. He is also a professor at the Institute for Social and Rehabilitation Services, Assumption College, Worcester, MA teaching courses in Rehabilitation Services, Drug and Alcohol Abuse, Interviewing, Casework and Peace Studies. Dr. Siddle travels nationally lecturing on violence as they apply to public health issues. Dr. Siddle for the past eight years has conducted violent behavior workshops for health and human service workers throughout the United States. While on sabbatical from Assumption College he studied violent behavior and drug abuse at Harvard Medical School - The Zinberg Center for the Study of Addiction. With a colleague he conducted the only two known statewide surveys of Emergency Medical Technicians’ experience with assaultive patients. Survey findings and recommendations were published in a national emergency medical journal. Dr. Siddle's research interest is in understanding the nature and extent of violence within the health, education and human service fields.

John Tucker

John brings 16 years of experience to the CZ Inc. team. As a Deputy Sheriff assigned to the Traffic Safety Division for Weld County Colorado, John is the Lead Arrest Control Instructor for the Weld County Law Enforcement Training Academy as well as a certified Instructor in RADAR/LADDER and DUI SFST/HGN.

John is a certified PPCT Instructor Trainer, teaching the DTI and GAGE programs, as well as a certified instructor in ASP and Scientific Combatives Group Aerosol Subject Restraint.

Johns Martial arts history includes ranking in both Tae Kwon Do and Kempo.

James Wood

EMS trainer and Paramedic, James Wood is the EMS training director of CZ Inc. James has multiple degrees in Applied Science in Criminal Justice and EMS and is a Nationally Registered Paramedic licensed in many states. James is an Instructor Trainer certified by the Training Center for Medic First Aid International, the Training Center for American Safety and Health Institute (ASHI) and is an Emergency First Response Instructor teaching:

Basic First Aid, CPR and AED for Corrections and Law Enforcement
Basic First Aid, CPR and AED
Advanced First Aid
Pediatric First Aid. CPR and AED
Emergency Oxygen
Bloodborne Pathogens
Essentials in Basic Emergency Care
Wilderness First Aid and First Responder
And much much more.
Email James at: emtjimbo@hotmail.com