John Duffner's Location
Oxnard, California, United States
John Duffner's Education
John Duffner's Skills
John Duffner's Summary
John Duffner, based in Oxnard, California, United States, is currently a Executive protection at Self. John Duffner holds a 1978 - 1982 Associates in Criminal Justice, Police Science @ Ventura College. With a robust skill set that includes Executive Protection, SWAT, Law Enforcement, Weapons, Self Defense and more, John Duffner contributes valuable insights to the industry.