Arcuri Group Corporate Trainers
(Abbreviated List)

Christopher (Chris) Powell, SAS-MP - Arcuri Group Instructor
Chris is a retired US Army Counterintelligence Special Agent and reconnaissance expert, with over 20 years of active service. He served throughout multiple combat zones including Afghanistan, Iraq, and Syria in a counterterrorism and special activities capacity. During stateside assignments, he conducted counterespionage investigations and antiterrorism operations with the FBI’s Joint Terrorism Task Force. Chris worked as a singleton on a plethora of high-threat operations both covert and clandestine, and a graduate of several advanced tactical and intelligence courses ranging from surveillance operations to signature reduction.
Chris retired in January 2019 and began teaching Military Science at Stephen F. Austin State University, as well as Adjunct Professor in Kinesiology for Firearms Safety and Application. He is also the founder of HOMEFRONT ISC, a counterintelligence, security, and leadership consultancy located in East Texas.
Chris is a retired US Army Counterintelligence Special Agent and reconnaissance expert, with over 20 years of active service. He served throughout multiple combat zones including Afghanistan, Iraq, and Syria in a counterterrorism and special activities capacity. During stateside assignments, he conducted counterespionage investigations and antiterrorism operations with the FBI’s Joint Terrorism Task Force. Chris worked as a singleton on a plethora of high-threat operations both covert and clandestine, and a graduate of several advanced tactical and intelligence courses ranging from surveillance operations to signature reduction.
Chris retired in January 2019 and began teaching Military Science at Stephen F. Austin State University, as well as Adjunct Professor in Kinesiology for Firearms Safety and Application. He is also the founder of HOMEFRONT ISC, a counterintelligence, security, and leadership consultancy located in East Texas.

Dr. Jennifer Hesterman, Colonel, USAF (retired), SAS-AP - Arcuri Group Instructor
Jenni was in the Air Force for 21 years, serving in 3 Pentagon tours and multiple commands. Her final assignment was Vice Commander, Andrews Air Force Base, Maryland, where she led installation security, including protection of Air Force One. A counterterrorism and soft target hardening expert, Jenni now works with businesses, schools, houses of worship, malls, hospitals, convention centers and sporting venues to identify and mitigate security vulnerabilities. She advises two DHS Security Centers of Excellence and is on the advisory panel for the Homeland Security Training Institute and the Crisis Response Journal. She is the author of two award-winning security books and instructs courses for the Defense Counterintelligence and Security Agency. Jenni is an analog astronaut and participates in simulated space missions, conducting human factors and scientific research to advance human spaceflight.
Jenni was in the Air Force for 21 years, serving in 3 Pentagon tours and multiple commands. Her final assignment was Vice Commander, Andrews Air Force Base, Maryland, where she led installation security, including protection of Air Force One. A counterterrorism and soft target hardening expert, Jenni now works with businesses, schools, houses of worship, malls, hospitals, convention centers and sporting venues to identify and mitigate security vulnerabilities. She advises two DHS Security Centers of Excellence and is on the advisory panel for the Homeland Security Training Institute and the Crisis Response Journal. She is the author of two award-winning security books and instructs courses for the Defense Counterintelligence and Security Agency. Jenni is an analog astronaut and participates in simulated space missions, conducting human factors and scientific research to advance human spaceflight.

Jeremy R. Mathis, SAS-AP - Arcuri Group Instructor
Jeremy is a retired US Army Sergeant Major and Counterintelligence Special Agent with over 23 years of operational, staff, and leadership experience. He served in both tactical and strategic environments conducting counterintelligence operations worldwide. He has served throughout multiple combat zones including Iraq and Somalia executing a multitude of high-threat operations including both covert and clandestine. Jeremy has extensive experience in Insider Threat Program management, Security Education – (both physical and information), and Operations Security programs; with specialized experience working in the Special Operations Community, Special Access Programs, and Sensitive Activities managing complex counterintelligence operations.
Outside of combat zones, Jeremy has spent time operationally in South Korea, Europe, and Kosovo and multiple locations throughout the United States. He has worked on numerous counterespionage investigations and antiterrorism operations with the FBIs Joint Terrorism Task Force. Jeremy is a graduate of several advanced tactical and intelligence training certifications including Identity Data Management, counterintelligence operations, surveillance, and anti-terrorism.
Jeremy is a retired US Army Sergeant Major and Counterintelligence Special Agent with over 23 years of operational, staff, and leadership experience. He served in both tactical and strategic environments conducting counterintelligence operations worldwide. He has served throughout multiple combat zones including Iraq and Somalia executing a multitude of high-threat operations including both covert and clandestine. Jeremy has extensive experience in Insider Threat Program management, Security Education – (both physical and information), and Operations Security programs; with specialized experience working in the Special Operations Community, Special Access Programs, and Sensitive Activities managing complex counterintelligence operations.
Outside of combat zones, Jeremy has spent time operationally in South Korea, Europe, and Kosovo and multiple locations throughout the United States. He has worked on numerous counterespionage investigations and antiterrorism operations with the FBIs Joint Terrorism Task Force. Jeremy is a graduate of several advanced tactical and intelligence training certifications including Identity Data Management, counterintelligence operations, surveillance, and anti-terrorism.

Stephen Sadler, BA, SAS-MP - Arcuri Group Instructor
Stephen Sadler is a retired police sergeant from the Toronto Police Service with thirty years of dedicated service including five years as Team Lead for CBRNE Response as a Certified Explosives and CBRN Technician. His background includes military service as an officer with the Royal Canadian Armoured Corps, Canadian Armed Forces Reserve. Internationally, Stephen performed as Mentor / Advisor to the Commanding General in Badakshan Province in Feyazabad, Afghanistan.
In addition to his operational background, Stephen is an accomplished trainer providing instruction to over 12,000 in various disciplines including Heavy Urban Search and Rescue (HUSAR) and is Lead Trainer for Crowd Management / Public Order delivering training to police personnel throughout Canada and the United States of America. He is a provincially certified Search and Rescue Manager in Ontario, and Affiliate Faculty for International Trauma and Life Support training.
Stephen Sadler has a bachelor’s degree from the University of Toronto, and currently serves as a Corporate Security Manger. He is recognized by Arcuri Group as a Situation Awareness Specialist® - Master Practitioner.
Stephen Sadler is a retired police sergeant from the Toronto Police Service with thirty years of dedicated service including five years as Team Lead for CBRNE Response as a Certified Explosives and CBRN Technician. His background includes military service as an officer with the Royal Canadian Armoured Corps, Canadian Armed Forces Reserve. Internationally, Stephen performed as Mentor / Advisor to the Commanding General in Badakshan Province in Feyazabad, Afghanistan.
In addition to his operational background, Stephen is an accomplished trainer providing instruction to over 12,000 in various disciplines including Heavy Urban Search and Rescue (HUSAR) and is Lead Trainer for Crowd Management / Public Order delivering training to police personnel throughout Canada and the United States of America. He is a provincially certified Search and Rescue Manager in Ontario, and Affiliate Faculty for International Trauma and Life Support training.
Stephen Sadler has a bachelor’s degree from the University of Toronto, and currently serves as a Corporate Security Manger. He is recognized by Arcuri Group as a Situation Awareness Specialist® - Master Practitioner.

Randy R. Campbell, SAS-AP - Arcuri Group Instructor
Randy R. Campbell began his career in law enforcement in 1990, serving as a police officer in Mount Airy, NC and in 1992, he joined the Virginia State Police. He was a member of the Virginia State Police Counter Terrorism Criminal Interdiction (CCI) teams and a narcotics canine handler. Randy was promoted to Sergeant in 2007. During this time, he was the VSP Division 3 Senior Firearms Instructor.
Upon retirement, Randy worked at Liberty University (Lynchburg) creating and developing an all-hazards emergency management program. He is a certified Associate Emergency Manager recognized by the Virginia Emergency Management Association (VEMA) and Virginia Department of Emergency Management (VDEM). From 2018-2022, he served with the Virginia Department of Criminal Justice Services (DCJS) Active Attack Program as a lead instructor. He currently is an Arcuri Group Situation Awareness Specialist (SAS) instructor.
Randy R. Campbell began his career in law enforcement in 1990, serving as a police officer in Mount Airy, NC and in 1992, he joined the Virginia State Police. He was a member of the Virginia State Police Counter Terrorism Criminal Interdiction (CCI) teams and a narcotics canine handler. Randy was promoted to Sergeant in 2007. During this time, he was the VSP Division 3 Senior Firearms Instructor.
Upon retirement, Randy worked at Liberty University (Lynchburg) creating and developing an all-hazards emergency management program. He is a certified Associate Emergency Manager recognized by the Virginia Emergency Management Association (VEMA) and Virginia Department of Emergency Management (VDEM). From 2018-2022, he served with the Virginia Department of Criminal Justice Services (DCJS) Active Attack Program as a lead instructor. He currently is an Arcuri Group Situation Awareness Specialist (SAS) instructor.

Monty H. Mathis, MA, SAS-MP - Arcuri Group Instructor
Monty H. Mathis is a retired police sergeant with the Lakeland Police Department in Lakeland, Florida. Prior to that he served in the United States Air Force as an Investigator and was one of the top five criminal investigators in the USAF. He has extensive ‘street’ experience in numerous aspects of law enforcement operations. Monty is a certified Firearms, Defensive Tactics, Accident Reconstructionist, Interrogation Instructor and holds a master's degree in education. Monty has been a consultant for the Police Executive Research Forum, an instructor for several universities and is currently a Master Practitioner (SAS-MP) and trainer with Arcuri Group.
Monty H. Mathis is a retired police sergeant with the Lakeland Police Department in Lakeland, Florida. Prior to that he served in the United States Air Force as an Investigator and was one of the top five criminal investigators in the USAF. He has extensive ‘street’ experience in numerous aspects of law enforcement operations. Monty is a certified Firearms, Defensive Tactics, Accident Reconstructionist, Interrogation Instructor and holds a master's degree in education. Monty has been a consultant for the Police Executive Research Forum, an instructor for several universities and is currently a Master Practitioner (SAS-MP) and trainer with Arcuri Group.

Greg Briggs, SAS-MP - Arcuri Group Instructor
Greg is currently serving as a Nuclear Security and Emergency Management Professional. As a military veteran who retired after 22 years of combined service in the Canadian Armed Forces, Greg has amassed an enormous amount of experience in situational awareness and readiness disciplines.
He is a Certified Use of Force, Firearms and Tactics instructor and has developed training and response programs for law enforcement as well security professionals. Greg also serves as the Vice President of the Ontario Tactical Advisory Body (OTAB).
Greg Briggs is an Arcuri Group Master Practitioner / Instructor and the proud father of three, and husband to a dedicated police officer of 15 years.
Greg is currently serving as a Nuclear Security and Emergency Management Professional. As a military veteran who retired after 22 years of combined service in the Canadian Armed Forces, Greg has amassed an enormous amount of experience in situational awareness and readiness disciplines.
He is a Certified Use of Force, Firearms and Tactics instructor and has developed training and response programs for law enforcement as well security professionals. Greg also serves as the Vice President of the Ontario Tactical Advisory Body (OTAB).
Greg Briggs is an Arcuri Group Master Practitioner / Instructor and the proud father of three, and husband to a dedicated police officer of 15 years.

Justin Gardiner, SAS-MP - Arcuri Group Instructor
Throughout his career Justin has been passionate about personal safety, communication methods, and de-escalation tactics. He served as an instructor in combat during his service with the United States Army with the 173rd Airborne. Justin's US Army service included various roles - designated marksman, physical security supervisor, personal security detachment team leader, and school’s manager.
After Army service, Justin continued his mission as trainer for law enforcement, and community readiness courses including Defensive Tactics, Verbal De-Escalation, Active Shooter Response, Arrest and Control, Use of Force, Combat Stress Mitigation and Medical Readiness. Over the course of his career Justin earned multiple accolades including the Purple Heart, Police Meritorious Service Medal, and most recently the County of Riverside Board of Supervisors Medal of Valor.
Throughout his career Justin has been passionate about personal safety, communication methods, and de-escalation tactics. He served as an instructor in combat during his service with the United States Army with the 173rd Airborne. Justin's US Army service included various roles - designated marksman, physical security supervisor, personal security detachment team leader, and school’s manager.
After Army service, Justin continued his mission as trainer for law enforcement, and community readiness courses including Defensive Tactics, Verbal De-Escalation, Active Shooter Response, Arrest and Control, Use of Force, Combat Stress Mitigation and Medical Readiness. Over the course of his career Justin earned multiple accolades including the Purple Heart, Police Meritorious Service Medal, and most recently the County of Riverside Board of Supervisors Medal of Valor.

Yvonne Armstrong, MA, SAS-MP - Arcuri Group Instructor
Yvonne is a professor in the School of Justice and Emergency Services at Durham College in Ontario. She teaches courses in the Police Foundations program as well as coordinates the Advanced Law Graduate Certificate program.
Prior to her teaching role, Yvonne was a senior constable and trainer with the Toronto Police Service (TPS). While with TPS she held various roles including undercover, investigative, and coach officer to new recruits. Upon leaving the policing world she joined Ontario Power Generation-Pickering Nuclear as an armed nuclear response force officer where she was a member of a tactical team tasked with protecting company assets and personnel on site. Skilled in special weapons, immediate rapid deployment (IRD), dynamic entry. Yvonne is also a consultant with TNT Justice Consultants where she teaches Mental First Aid.
Yvonne is a professor in the School of Justice and Emergency Services at Durham College in Ontario. She teaches courses in the Police Foundations program as well as coordinates the Advanced Law Graduate Certificate program.
Prior to her teaching role, Yvonne was a senior constable and trainer with the Toronto Police Service (TPS). While with TPS she held various roles including undercover, investigative, and coach officer to new recruits. Upon leaving the policing world she joined Ontario Power Generation-Pickering Nuclear as an armed nuclear response force officer where she was a member of a tactical team tasked with protecting company assets and personnel on site. Skilled in special weapons, immediate rapid deployment (IRD), dynamic entry. Yvonne is also a consultant with TNT Justice Consultants where she teaches Mental First Aid.

Dr. Chris Lee, Ph.D., SAS-AP - Arcuri Group Instructor
Chris Lee PhD, has spent decades engaged in the training and practice of personal safety and defense. He has studied martial arts extensively, rising through the ranks to become an instructor. Additionally, Chris is a certified pistol instructor and an accomplished competitive shooter.
During his 30 years as a college professor, Chris focused his research on pedagogical development - specifically on the development and assessment of educational techniques and practices. He also served as the Director of the College's Teaching Collaborative - a center focused on providing resources and training for all faculty on campus.
Chris is recognized as a Situational Awareness Specialist® - Advanced Practitioner and Arcuri Group Instructor.
Chris Lee PhD, has spent decades engaged in the training and practice of personal safety and defense. He has studied martial arts extensively, rising through the ranks to become an instructor. Additionally, Chris is a certified pistol instructor and an accomplished competitive shooter.
During his 30 years as a college professor, Chris focused his research on pedagogical development - specifically on the development and assessment of educational techniques and practices. He also served as the Director of the College's Teaching Collaborative - a center focused on providing resources and training for all faculty on campus.
Chris is recognized as a Situational Awareness Specialist® - Advanced Practitioner and Arcuri Group Instructor.

Peter (Pete) Wright, SAS-MP – Arcuri Group Instructor
Pete began his career in the United States Marine Corps (USMC) infantry where he served honorably for eight years. After his service with the USMC, Pete entered the private sector and became the training program manager, and later entering again into public service as a law enforcement officer with the Federal Bureau of Prisons (BOP), eventually earning a position as a tactical team instructor. His service background includes security police service on a critical infrastructure program with the US Department of Energy.
Pete began his career in the United States Marine Corps (USMC) infantry where he served honorably for eight years. After his service with the USMC, Pete entered the private sector and became the training program manager, and later entering again into public service as a law enforcement officer with the Federal Bureau of Prisons (BOP), eventually earning a position as a tactical team instructor. His service background includes security police service on a critical infrastructure program with the US Department of Energy.

Paul Gallant, MA, SAS-MP - Arcuri Group Instructor
Paul is a retired Inspector with the Ottawa Police Service (33 years) and currently a Master Practitioner (SAS-MP) and trainer with Arcuri Group. He has extensive experience in professional standards, communications, emergency operations, criminal investigations, training, critical incident stress management & peer support, diversity initiatives, human resources, and patrol services.
On the international stage, Paul was a police advisor assisting in the design and delivery of community policing and engagement training in Mali (Africa); co-facilitating training workshops for security forces and civil society within the Mali Peace and Stabilization Operations Program - Global Affairs Canada.
Paul has held positions as 2nd Vice President of the Board of Directors and Chair of the Audit Committee at Cite Collegial (Ottawa's French language college), Co-Chair of the Joint Health and Safety Committee at the Ottawa Police, and a member of the Canadian Association of Chiefs of Police E-Crime Committee.
Paul is a retired Inspector with the Ottawa Police Service (33 years) and currently a Master Practitioner (SAS-MP) and trainer with Arcuri Group. He has extensive experience in professional standards, communications, emergency operations, criminal investigations, training, critical incident stress management & peer support, diversity initiatives, human resources, and patrol services.
On the international stage, Paul was a police advisor assisting in the design and delivery of community policing and engagement training in Mali (Africa); co-facilitating training workshops for security forces and civil society within the Mali Peace and Stabilization Operations Program - Global Affairs Canada.
Paul has held positions as 2nd Vice President of the Board of Directors and Chair of the Audit Committee at Cite Collegial (Ottawa's French language college), Co-Chair of the Joint Health and Safety Committee at the Ottawa Police, and a member of the Canadian Association of Chiefs of Police E-Crime Committee.

Ben Cardall, SAS-AP - Arcuri Group Instructor
Mr. Cardall is a professional security consultant and trainer in criminal behavior topics, situational awareness and non-verbal communication. His background includes providing training services to police services, private corporations and service-oriented organizations. He has served globally in this capacity as well as in the executive protection space. Ben has delivered mentoring and immersive practical exercises for police entities such as Scotland Yard as well as personnel assigned to security and intelligence agencies around the globe.
Ben Cardall is a certified Situation Awareness Specialist® - Advanced Practitioner (SAS-AP) and certified Instructor with Arcuri Group LLC.
Mr. Cardall is a professional security consultant and trainer in criminal behavior topics, situational awareness and non-verbal communication. His background includes providing training services to police services, private corporations and service-oriented organizations. He has served globally in this capacity as well as in the executive protection space. Ben has delivered mentoring and immersive practical exercises for police entities such as Scotland Yard as well as personnel assigned to security and intelligence agencies around the globe.
Ben Cardall is a certified Situation Awareness Specialist® - Advanced Practitioner (SAS-AP) and certified Instructor with Arcuri Group LLC.

Jim Wenzel, SAS-AP - Arcuri Group Instructor
Jim Wenzel is United States Marine Corps veteran and Retired Law Enforcement Professional. Jim eventually earned the title of investigator/hostage negotiator, and later served the school sector as a school resource officer where he worked with education leaders and students in providing a safe campus environment. Additional experience includes serving as trainer to military special operations communities that were preparing for high-threat overseas deployments.
Jim Wenzel has an extensive list of training credentials, from crime scene forensics to combative environment trainings. Jim owns his own company, Procypher Protective Services, a training and consulting firm as well as works operationally as an Executive/Close Protection Specialist. Jim Wenzel is a trainer for Arcuri Group LLC.
Jim Wenzel is United States Marine Corps veteran and Retired Law Enforcement Professional. Jim eventually earned the title of investigator/hostage negotiator, and later served the school sector as a school resource officer where he worked with education leaders and students in providing a safe campus environment. Additional experience includes serving as trainer to military special operations communities that were preparing for high-threat overseas deployments.
Jim Wenzel has an extensive list of training credentials, from crime scene forensics to combative environment trainings. Jim owns his own company, Procypher Protective Services, a training and consulting firm as well as works operationally as an Executive/Close Protection Specialist. Jim Wenzel is a trainer for Arcuri Group LLC.