Giller was raised in Reno, Nevada, where his family owned AIDS Ambulance. He worked as a dispatcher before earning his EMT certifications in the 1980s.

Gilliland became an ambulance driver in 1985 before gaining EMT certifications. He served in Nye County for 25 years.

After graduating from Bonanza High School in Las Vegas, Nevada, Gunter worked for Mercy Ambulance. He later worked as a paramedic at the Mercury Test Site, which helped pay for medical school at the University of Nevada.

Lowell Moody was fire chief of the Hawthorne Volunteer Fire Department in the 1940s, and his family has continued service at the Hawthorne Valley Fire Department in the following decades. Steve Moody, Rick Reuter, Barbara Reuter, Mark Nixon, Craig Nixon, Kyle Reuter, and Lindsey Reuter were interviewed for Elwood Schmidt's book "A History of Emergency Medical Services in Nevada Oral History Project."