CCJA Executive Staff


Meet Our Staff

John Doe

Tom Perroni

Training Director

Training and Education

As the owner and Training Director of Commonwealth Criminal Justice Academy, Mr. Perroni also works for a Northern Virginia Sheriff’s Office as a veteran Patrol Deputy Sheriff with years of experience as an instructor in the firearms and tactics industry as a Combat Marksmanship Instructor and industry consultant. Mr. Perroni is currently certified by the Department of Criminal Justice Services as a General and Firearms Instructor. He is also certified by Department of Homeland Security, and Federal Law Enforcement Training Centers as an instructor. He is certified through the Washington DC Metropolitan Police Department and Maryland State Police as an instructor. He also holds Instructor Trainer status in many areas. In addition to nearly a decade of Private Security Instruction experience, he has also worked on various contracts. Mr. Perroni has worked on multiple protection details here in the United States and abroad. His vast knowledge of the security field comes from his time as a former instructor and contractor for Blackwater/ACADEMI. Mr. Perroni has worked as a contract Medic for the U.S. Department of State, as well as volunteering as a Medic on a Medic Unit in Stafford County. Mr.Perroni teaches various medical classes for the United States Government and its agency’s to include First Aid CPR/AED through Critical Care Flight Paramedic courses. Mr. Perroni is a NRA Law Enforcement Handgun / Shotgun Instructor. Mr. Perroni is also a graduate of the L.A. County Sheriff’s Office (Special Enforcement Bureau) Tactical “SWAT” Medic course.


  • Current Law Enforcement Officer
  • NRA Law Enforcement Handgun & Shotgun Instructor
  • Lead SWAT/TCCC Contract Medical Instructor for ACADEMI
  • U.S. Dept of State Contract Medic
  • U.S. Dept. of State Contract Firearms Instructor
  • MVM Inc. Asst. Training Director
  • Former Contract Instructor Blackwater USA
  • NRA Certified Firearms Instructor
  • DCJS General/Firearms Instructor
  • Maryland State Police Handgun Instructor
  • MEB,MDTS, Senior Instructor
  • Law Enforcement Pepper Spray Instructor
  • NAEMT TCCC/PHTLS Instructor
  • American Red Cross Instructor Trainer
  • ASHI Medical Instructor Trainer
  • Former contract Instructor Trainer for the Virginia Department of Criminal Justice Services (PSS) for General Instructor & Firearms Instructor development
  • Member of International Association of Law Enforcement Firearms Instructors (IALEFI)
  • Member of the International Law Enforcement Educators and Trainers Association (ILEETA)
  • Member of the American Society of Law Enforcement Trainers (ASLET)
  • Massachusetts Law Enforcement Firearms Instructors & Armorers Association
  • Simunitions Safety Instructor
  • Simunitions FX Instructor
  • Virginia EMT-B, & EMT-E, NREMT
  • EMT- Tactical/Wilderness
  • Glock, Remington, Mossberg, Bushmaster Armorer

John Doe

Vincent "Tommy" Chambers

Senior Vice President

Operations and Logistics

Mr. Chambers is currently certified by the Department of Criminal Justice Services as a General and Firearms Instructor. In addition to nearly a decade of Private Security Instruction, he has also worked on various contracts. Mr. Chambers has worked on multiple protection details here in the United States and abroad. His vast knowledge of the security field comes from his time as Former Contract Security for the Department of Homeland Security and Customs and Border Patrol. During his time as a Contract Medic for U.S. Department of State, Mr. Chambers also volunteered as a Medic on a Medic Unit in Stafford County. Mr. Chambers has also taught various medical classes for the United States Government and its agency’s to include NAEMT TCCC/ PHTLS courses. Mr. Chambers is also a member of International Association of Law Enforcement Firearms Instructors (IALEFI), a member of the International Law Enforcement Educators and Trainers Association (ILEETA), and a member of the American Society of Law Enforcement Trainers (ASLET).


  • DCJS General/Firearms Instructor
  • ASHI Medical Instructor Trainer
  • NAEMT TCCC/PHTLS Instructor
  • U.S. Dept of State Contract Medic
  • NREMT – VA EMT
  • EMT- Tactical/Wilderness
  • PSD contractor
  • Simunitions Safety Instructor
  • Simunitions FX Instructor
  • Larry Smith Pepper Spray Instructor
  • Glock, Remington, Mossberg, Bushmaster Armorer
  • Former Contract Instructor Blackwater USA
  • Former Contract Security for DHS and CBP
  • Member of International Association of Law Enforcement Firearms Instructors (IALEFI)
  • Member of the International Law Enforcement Educators and Trainers Association (ILEETA)
  • Member of the American Society of Law Enforcement Trainers (ASLET)

John Doe

Mark Pressley, DO, MPH

Medical Director

Training and Education

Dr. Pressley is Board certified by the American Board of Osteopathic Family Physicians. He completed a Master of Public Health while stationed in London, England. Dr. Pressley was selected for and executed orders to his current assignment, Marine Helicopter Squadron One, Quantico, Virginia as the Senior Medical Officer (SMO). During this assignment, in addition to his responsibilities as SMO and Senior Flight Surgeon, he has been designated a Detachment Duty Officer and serves as a consultant in Osteopathic Medicine to the White House Medical Unit, providing direct care for Senior Executive staff. Dr. Pressley also served on staff of the Hanford Community Hospital as an Emergency Physician in the Level II trauma center. Dr. Pressley made two deployments providing tactical medical support for Special Operations Forces in Operation Enduring Freedom. Additionally, he provided support and tactical medical training for the 321st Special Tactics Squadron based at RAF Mildenhall, England.



  • 540-322-3000
  • 56 Joseph Mills Drive Suite 100
  • Fredericksburg, Va 22408