Workshop Leaders

Meet Our Workshop Leaders:

TSA works with  professional trainers who have had many years of hands-on experience in their areas of expertise.  All of our workshop leaders are very approachable with down-to-earth teaching styles that make learning new skills easy and fun.  Our trainers routinely give individual attention to workshop attendees so that they can gain a full understanding of the skills and topics being taught.


John Bradley

John John Bradley has been working in the HVAC industry for nearly 20 years. Starting out as an apprentice for a large mechanical company in Philadelphia, he has since worked in all aspects and sectors of the trade. John has performed several roles, including field installation of ductwork/mechanical piping in industrial, commercial, residential and custom home construction. He has also worked as a residential and commercial technician before eventually becoming a superintendent for various large mechanical renovations, including Tucson International Airport, Fort Huachuca and Davis Monthan Airforce Base. Currently he enjoys his role as a project manager for a commercial and residential construction company in southern Arizona. John is immensely grateful to the mentors he’s had along the way in his career and has always strongly believed in the value of passing down knowledge through continued education. He’s a certified NATE technician, an NCCER certified craft instructor and has enjoyed opportunities to teach apprentices. John’s hobbies include off-roading and working on in his Jeep, hunting, playing drums and listening to/collecting vinyl records.

  • Fundamentals of HVAC Systems & Servicing
  • Hands-on HVAC Electrical Equipment Troubleshooting
  • Hands-on Gas/Electric Furnaces: Maintaining & Troubleshooting
  • Hands-on HVAC Electrical Systems Troubleshooting


Vaughn Croft

Vaughn has taught small engine servicing and repair, plus automotive servicing for over 23 years as well as being a trainer for TSA.  He is certified in technical areas with extensive experience in gas, diesel & electric motor-powered equipment, and has expertise with power system applications in a variety of equipment.  For fun and relaxation Vaughn enjoys gardening, home and auto repair, and spending time with family, especially his daughter in Special Olympics.

  • Hands-on Small Engine Servicing and Repair: PART 1
  • Hands-on Gas & Electric Powered Small Engine Servicing and Repair: PART 2


Bryck Guibor

Bryck has been teaching TSA workshops for many years.  He has been involved in the curriculum from the start.   He has had more than 30 years of experience inspecting homes in many different geographic locations with over 17,000 homes inspected. He currently performs housing inspections of existing housing on a daily basis.  He is a member of the American Society of Home Inspectors, and he often teaches Inspection & Construction classes through them, as well as through many Real Estate Schools.  He is a licensed Residential General Contractor, building both new homes, and specializing in the rehabilitation of older homes. Bryck enjoys golfing, teaching, photography, scuba diving, and fishing.


  • Safety Training & Understanding Chemicals for Custodial Programs
  • Essentials of Custodial & Housekeeping Maintenance
  • Inspecting Public Housing Properties
  • Rehabilitating Houses & Apartments
  • Hands-on Drywall

Randy Halberg

Randy was a practicing locksmith for over 20 years.  He is also a former middle school teacher.  He presently works for a large resort in Flagstaff, Arizona. Randy is an avid reader.

  • Beginning Hands-on Locksmithing
  • Advanced Hands-on Locksmithing


John Parmeter

     John Is a very talented and energetic trainer. He is well respected in the security and law enforcement fields and makes presentations with various law enforcement professionals.  He has been with BIE and the BIA for 31 years. His background includes:  ICS command, Law Enforcement Active Shooter Response, Tribal Hazard Mitigation, Crisis Communication, Bomb Training, NCBRT Active Shooter Integrated Response, Threat Assessment, BIA-BIE CDSO. Emergency Prep. Trainer, Chemical-Terrorism Vulnerability Training, National Sex Trafficking, OIG Inspector BIA-BIE, Emergency Prep. Trainer and the TERC (Tribal Emergency Response Commission) and PPCT Training. John has presented at the National Safe Schools Conference, National School Response Conference, National Emergency Disaster symposium to name just a few. John writes EAP, SOP, Table Top Exercises, Emergency Flip Charts and has Supervised Disaster Recovery Efforts on Reservation

  • Security Officer Training: Part 1
  • Security Officer Training: Part 2
  • Security  Training: Part 3 Response Management