Eric Ellis has been employed with the McHenry County Sheriff's Office since 1999 and has served on the department's SWAT team for over 20 years. He was assigned to the Sniper Unit and the Entry Team during that time. Eric is currently assigned as the Team Commander for the Department's Multi-jurisdictional team. Eric is currently assigned to the Special Services Division with his agency. His duties include overseeing the training of over 300 employees and public relations. He holds instructor certifications in Active Threat Training, MACTAC, Rescue Task Force, and Emergency Vehicle Operations, and Use of Force. He is also a certified Active Threat Master Instructor through the Illinois Training and Standards Board and Illinois Tactical Officers Association.

Lieutenant Alex Embry has served with the McHenry County Sheriff's Office since 2005 and has been a member of their multi-jurisdictional SWAT team since 2007. During his SWAT career, he has deployed as an Entry Team member and Sniper/Observer before becoming the ATL of the Sniper Unit and later a Team Leader for Entry. He was then tasked with being the unit's Team Commander. While with the Sheriff's Office, he has managed Patrol, Narcotics, and Investigative Units. In addition to SWAT, his other training responsibilities have included firearms, active shooter response, and control tactics.

Chris Periatt began his law enforcement career with the Detroit Police Department in 1994. He started with the St. Clair Shores Police Department in 1996, where he worked in many capacities, including patrol, SWAT, K9, and warrant recovery. He served as a senior Tactical Patrol Officer, FTO, advanced active threat instructor, senior firearms instructor, senior subject control instructor, and master use-of-force instructor. He retired in December 2018 from St. Clair Shores and is currently the Director of Training for Range 517 in Lansing, Michigan. He is certified in six subject control programs and teaches and trains Krav Maga. Chris is an instructor for the NTOA in active shooter instructor, school and workplace violence, and advanced patrol tactics. Chris is a court-recognized expert in K9 deployments and use of force by the United States District Court Eastern District of Michigan and the 16th Judicial Circuit Court of Macomb County. He has been the President of the Michigan Tactical Officers Association is the Patrol section chair for the NTOA. He was honorable discharged from the US Marine Corps(R) (SOC) after serving over six years as a squad leader in a weapons platoon, 0351, from 1987-1994. Chris has an undergraduate degree from American Military University with a major in criminal justice.