David Brosnahan is a battalion chief with the Roseville, Minn., Fire Department. His primary job is the coordination of the day-to-day operations at Roseville Fire. Chief Brosnahan holds a bachelor of arts degree from Hamline University and a graduate certificate in Public Health Emergency Response from the University of Minnesota. Chief Brosnahan is a certified fire instructor, Live Burn 1403 instructor and a fire instructor with Hennepin Technical College teaching NFPA 1001 and Live Burn training.