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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

1st Due Fire Training

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.
1st Due Fire Training
1st Due Fire Training
Down and Dirty Training

Down and Dirty Training

NC

We’re not here for the easy stuff. We deliver hardcore, real-world instruction for aggressive fireground tactics that sharpens skills, builds confidence, and prepares crews to attack fire with intensity and precision. Built for firemen, by firemen.
Down and Dirty Training
Down and Dirty Training
Triad Rescue International

Triad Rescue International

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.
Triad Rescue International
Triad Rescue International
Bearers of the Oath

Bearers of the Oath

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!
Bearers of the Oath
Bearers of the Oath
FIRECORE Training

FIRECORE Training

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.
FIRECORE Training
FIRECORE Training
Big Fire, Big Water

Big Fire, Big Water

FL & 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.
Big Fire, Big Water
Big Fire, Big Water
Firefighter TDC

Firefighter TDC

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.
Firefighter TDC
Firefighter TDC
Build your Culture

Build your Culture

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.
Build your Culture
Build your Culture
Flow and Vent

Flow and Vent

NJ

Flow and Vent was founded by a couple firefighters who believed that there is more to the fire service than just being a t-shirt fireman. It is a page dedicated to providing some tricks to the firefighting trade. We are going to provide you with drills, methods, and insights on things that we have found effective in performing the job. Our administration is made of a breed of young firefighters, ranging from all walks of life, and completely different departments. However, we have one thing in common, we love the job.
Flow and Vent
Flow and Vent
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HEN® Training Cadre Regions

Explore our authorized training cadre coverage map to see where our instructors serve across the country. Use the map to find your nearest cadre who supports your area, or join our cadre by submitting an application to become part of the team.

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TRY IT FOR YOURSELF

Experience the proven performance of HEN® Nozzles firsthand through live demonstrations in your region—request a customized demo for your department today to see how our innovative designs enhance fire suppression effectiveness.

HEN BLADE and HYDRO nozzle

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