Chief Losh started his fire service career in 1974 in Placer County with the South Placer Fire Protection District. With South Placer Chief Losh held every rank from firefighter to Battalion Chief. In 1992 he became the first full-time chief of the City of Lincoln, CA. In 1995 Chief Losh came to Sonoma COunty as Deputy Chief/Fire Marshal for the Department of Emergency Services. Chief Losh was promoted to the position of Director of the Sonoma County Department of Fire and Emergency Services in 1999. Chief Losh retired from Sonoma County in November of 2008. 

Chief Losh has an emergency response history that spans five decades. He served for over 8 years as the Chair of the Political Action Committee for the CSFA. He has also served 3 terms as the director for CSFA, past Chair of the CSFA Volunteer Committee, past President of the Northern California Firefighters Association, past President of the Sonoma County Fire Chiefs Association, past President of the Sonoma County Department Heads Association, and over 30 years as a volunteer for the Red Cross.