Our Instructors

John Matter


1K Tactical Group
John Matter trained as and fought for the United States Marine Corps. John is a career Marine that has held every position in a Marine sniper platoon, from Automatic Rifleman to Platoon Sergeant. He planned and conducted over 100 uncompromised real world missions in several combat zones, including Yemen, Kosovo, Iraq and Afghanistan. John is a decorated warrior earning awards for valor, as well as 3 purple hearts for wounds received in combat. John has held top secret and PRP security clearances. 

Waukesha MMA

  • USMC Retired
  • 13 years as a Marine Sniper with several Counter Terrorism Units
  • Awarded 3 purple hearts for wounds received in combat, as well as medals for displaying valor in combat
  • Responsible for the training of Police SWAT snipers in 15 locations in the U.S and Israel
  • Marine Corps Mixed Martial Arts program Black belt instructor
  • Co-owner of Roufusport MMA in Hartland, WI
  • Black belt in Duke Roufus Kick Boxing
  • 29 years of wrestling and MMA experience
  • Fought for Marine Corps Camp Lejeune's MMA team
  • Actively trains in Jiu jitsu and American Kick boxing
  • 2013 recipient of Wisconsin's HERO award for representing WI in a positive way
  • Team leader/ Speaker at Gen. Andrew Jones's annual Semper FI Odyssey, which is designed to prepare retiring military vets making the transition to civilian life.
  • Volunteers for several military based nonprofit organizations

Brian Zalewski


Brian Zalewski has been in Law Enforcement for 18 years, serving in multiple units. He is currently the Director of Personnel and Training, responsible for the department's training program. Brian is also the Commander of the Special Response Team (SRT), which is the department's tactical unit. He is also the department's Public Information Officer (PIO), responsible for press releases, on camera interviews, etc.


  • 18 years in Law Enforcement
  • Supervision of training programs
  • Commands team of 20 operators and 3 Team Leaders (SRT)
  • Over 14 years experience as SWAT operator and sniper 
  • Liaison between police and community
  • Special Operations Group (Narcotics Unit) officer, supervisor and shift commander
  • State of Wisoconsin certified instructor in handgun, rife, and defense and arrest tactics
  • US State Department and US Embassy supported traning in 2013 and 2015 for Moldovan National Police and Fulgar Brigade
  • Department Medal of Valor and Life Saving Award recipient