Dennis has been a nationally registered EMT since 1984, and became a national registry paramedic in 1991, the same year he started teaching for WMA™. He currently works as a float paramedic for NorthStar EMS in Maine, and is a member of their Backcountry Medical Response Team, as well as working for Monmouth Rescue. In addition, Dennis teaches swiftwater rescue for Rescue 3 and is a Swiftwater Rescue Instructor Trainer for the American Canoe Association. He is also a Paramedic Instructor/Coordinator for Maine EMS. Dennis lives in Maine with his wife and two daughters.