E.J. Henninger has been a volunteer firefighter for more than 10 years, currently serving as the Captain at a rural Fire & Rescue Company with an active role in the training program. He has also been designing building systems for more than 20 years and is currently a senior project lead overseeing the design of plumbing and fire protection systems for commercial and pharmaceutical construction projects. Henninger actively supports the fight against cancer through the International Association of Fire Chiefs and with an annual Firefighter Relay Challenge.