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ABOUT HEN® Training Cadres
Meet our HEN Authorized Training Cadres, a nationwide group of highly respected firefighters and instructors committed to advancing training through real world experience, hands on instruction, and live fire demonstrations. This team brings deep industry knowledge, proven nozzle tactics, and a passion for helping departments strengthen their skills. Explore their profiles and see the regions they support as they bring HEN Nozzles and their training cadre to communities across the country.
HEN® Cadre Members

1st Due Fire Training
Yukon, OK
Conner Arnold is a 10-year career firefighter and Lieutenant with the Oklahoma City Fire Department and the owner of 1st Due Fire Training, delivering advanced instruction nationwide in live fire operations, engine and truck functions, fire behavior, technical rescue, and instructor development. With Fire Instructor II, Fire Officer I, NFPA 1403 Live Fire Instructor, and numerous technical rescue certifications, he brings more than one thousand documented burns and extensive experience in both fixed facility and acquired structure training. His teaching style combines operational credibility with strong technical understanding to prepare firefighters to perform safely and effectively across the full range of fireground operations.
Conner Arnold is a 10-year career firefighter and Lieutenant with the Oklahoma City Fire Department and the owner of 1st Due Fire Training, delivering advanced instruction nationwide in live fire operations, engine and truck functions, fire behavior, technical rescue, and instructor development. With Fire Instructor II, Fire Officer I, NFPA 1403 Live Fire Instructor, and numerous technical rescue certifications, he brings more than one thousand documented burns and extensive experience in both fixed facility and acquired structure training. His teaching style combines operational credibility with strong technical understanding to prepare firefighters to perform safely and effectively across the full range of fireground operations.
Bearers of the Oath
Toccoa, GA
Our arrogance is fueled by a passion, a passion for our craft, and expectation from our customers to be ready to answer every call. It is our diligence to be more prepared and mighty than the reason they had to call for our help. If you do not understand this sense of arrogance, we as BEARERS OF THE OATH will not alienate you, we will simply extend our hand to you and ask that you will evaluate yourself and your commitment to the fire service. Therefore determining if you are that Patriot, or just another able being that does not belong to such a fraternity of FIREMANSHIP!
FIRECORE Training
Land O Lakes, FL
FIRECORE Training was founded by experienced, passionate instructors dedicated to providing Central Florida with practical, hands-on fireground training. We specialize in fundamental Engine and Truck Company operations, as well as firefighter survival—focusing on realistic skills that directly translate into performance on the fireground.

Misfits Fire Training
Brownsburg, IN
Misfits Fire Training Foundation is dedicated to delivering high-level fire and rescue training throughout Central Indiana for those who were told they were too intense, too driven, or too committed to the job. We exist for the firefighters who were doubted, underestimated, or labeled misfits simply because they refused to lower their standards. We believe passion saves lives. Our training is built by firefighters, for firefighters, focusing on real-world skills, hard work, and the mindset required to perform when it matters most. At Misfits, we don’t tone it down — we raise the bar.

The Grab Factory
Tampa, FL
Tyler Whitfield is a Fire Lieutenant with over 12 years of service in the fire industry and the driving force behind The Grab Factory. Currently works for Clearwater Fire Rescue in Florida and assigned to E49 B shift. A member of the Pinellas County Technical Rescue Team, Fire Instructor for the department and Pinellas county TRT Program. Has experience teaching at NCFFC(Ocala, FL), MAFFC(Atlanta, GA), LIFT(Baton Rouge, LA), March Mayhem Fire Conference(Boise, ID), Ft Lauderdale Fire Expo(Ft. Lauderdale, FL), and Orlando Fire Conference(Orlando, FL).

Big Fire, Big Water
Hilton Head, SC
Captain Mark Rossi is an accredited fire officer and 25-year veteran with the City of Fort Lauderdale Fire Department currently assigned to Engine Company 8 in downtown Fort Lauderdale. Captain Rossi has been training and mentoring in one capacity or another since 2005.He is the founder of both the Big Fire- Big Water Class & the First Due Engine/Truck Class both born out of a passion for making the fire service better than he found it.
Firefighter TDC
Stevens Point, WI
I am a 25 year perpetual student of the fire service with 22 years of teaching experience in fire, rescue, and EMS. My focus is on training, development, and coaching of the individual firefighter to improve organizational outcomes. I believe that a well rounded firefighter, who understands fire behavior and how we can impact fire growth through suppression methods, stands the best chance at successful suppression.
On Scene Training Association
Wrightstown, NJ
On Scene Training Associates brings a nationally recognized team of veteran fire service instructors who deliver high impact, real world training. Their mission is to equip emergency responders at every level with the most current, practical, and field tested instruction through interactive classrooms and realistic hands on evolutions. The team is credentialed across state and national platforms, has taught in nearly every state and multiple countries, and has decades of experience shaping SOP reviews, emergency plans, and advanced fireground operations. Their instructors are affiliated with leading fire service organizations and are active contributors to major conferences including FDIC, Firehouse World, and regional training events across the country.
Triad Rescue International
Kingwood, TX
Triad Rescue, a distinguished water rescue training agency based in Texas, is committed to the exclusive mission of nurturing and empowering highly skilled water rescue professionals. Specializing in Water Rescue Training, Equipment, and Rescue Boat services, Triad Rescue boasts a team of full-time Rescue Professionals with real-world rescue backgrounds. Our cadre of instructors comprises individuals with extensive experience from renowned entities such as Houston Fire, HFD Rescue, Water Rescue Task Forces, Whitewater Rescue Groups, FEMA TXTF-1, and Military Rescue Units.
Build your Culture
Clawson, MI
Sean is a firefighter with over 20 years in the fire service and Co-Founded Build Your Culture, where his training sessions are known for their realism, intensity, and emphasis on critical thinking, making them some of the most sought-after courses in the country. He has authored articles for several fire service publications, including Fire Engineering and "The Book of Search". Sean is a frequent National and International speaker and hands-on instructor, including presenting at FDIC. In 2024, Sean was appointed to serve on the panel for the UL Fire Safety Research Institute's multi-story residential tactics research project. He strongly believes in preparation to achieve the best possible outcomes both on and off the fire ground.

Tactical Resource Fire Training, LLC
Newtown, CT
Jason Rivera is a 33-year veteran of the fire service and has served in career and volunteer departments. He retired as the Captain of Rescue 1/Acting Deputy Chief for the Stamford (CT) Fire Department and is currently a Firefighter for the New Haven (CT) Fire Department assigned to Truck Company 3.
He is a Lieutenant and Past-Chief of the Newtown (CT) Hook and Ladder Fire Company, a Firefighter in Christiana (DE) and a Rescue Specialist with the FEMA USAR team MA-TF1.
Jason is a ProBoard certified Fire Service Instructor Level 3, has presented at FDIC International since 2017, Metro Atlanta Firefighters Conference in 2023 and 2024, Key City Fire Conference in 2024 and 2025 and has taught across the country and internationally.
Jason is the owner of Tactical Resource Fire Training LLC, a fire service training company focusing on fireground and rescue company disciplines as well as special operations. He also teaches for FAST Rescue Solutions in Philadelphia and Capitol Fire Training LLC in Maryland.
Jason has been published multiple times in Fire Engineering Magazine and was the recipient of the 2016 Ray Downey Courage and Valor Award at the FDIC.

Twin City Fire Tactics
McConnelsville, OH
Twin City Fire Tactics is a blue collar, no-frills, no-bullshit company offering hands-on training to the firefighters of Southeast Ohio. Our cadre is a group of like-minded, passionate, and experienced firemen from different departments in our region.
We are not here to teach.. we exist to share knowledge and experience in an effort to improve the fire service and uphold its core mission.


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