CCJA Executive Staff

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Tom Perroni

Training Director

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.

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Vincent "Tommy" Chambers

Senior Vice President

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).

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Mark Pressley, DO, MPH

Medical Director

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.