I have been involved with Engineering for over 50 years and am fully retired now.I now own and manage my self defense/tactical products web site. www.cdavisgroup.comI have studied various martial arts for over 40 years and presently study at the “Easton Self Defense Academy. I hold a 7th Dan Black Belt in “EASTON SELF Karate”, 1st Degree Black Belt in “Analytical Combat” awarded personally by Professor Tom Sotis, am recognized by the A.U.A (Academy of Universal Arts) as a 1st Degree Black Belt, and hold a Green Belt in Taekwon-Do. I have a certificate of training with Kubaton/Persuader and double stick Escrima training. I created a Defensive Cane curricular for all ages and hold defensive cane seminars and Escrima stick seminars. multple strokes took the wind out of my sales. I am now doing Tai Chuck as rehabing . I stopped teaching at Mass Gun safety and back to holding private firearms training classes for a LTC (License to carry a firearm in MA) I have used firearms for over 50 years, trained in the military and am certified by the Mass State police and the National Rifle Association as a basics firearms instructor able to issue basic firearms certificates in Rifle, Pistol and Shotgun for LTC (License to carry) permits. Also certified by the NRA as a REFUSE TO BE A VICTIM instructor. I have been extremely busy in the last few years holding certification classes for LTC (License to carry firearms in MA). I retired asan instructor at “Mass Gun safety school” in Quincy and no longer hold Monthly regular classes in Easton MA. The student handles various handguns then live fires at a local range. I also held regular range fires to prepare students for the Boston Moon island qualifying shootI am a retired CAD Design engineer and and while I upgraded my CAD skills to Solid Works release 10/11, I no longer have time or interest in CAD work.