Bob Nestrick is the CEO and Lead Instructor of JESTER Group, LLC. He is an US Army Veteran and Federal Air Marshal (Retired).

Rob Angerson is the Lead Rifle Instructor at JESTER Group, LLC. He is an US Navy Veteran and Special Operations and Response Team Coordinator at the Pennsylvania Department of Corrections (Retired).

Jeff Uhrin is the Lead Tactical Medical Instructor at JESTER Group, LLC. He is an USMC Veteran and an Overseas Security Contractor.

Mark is an Assistant Instructor at JESTER Group, LLC. He is an US Army Veteran and works for the US Veterans Affairs.