Senior Deputy Chief Ehrman is a Southern California native. Chief Ehrman graduated from Esperanza High School in Anaheim prior to attending Rancho Santiago College and Long Beach State University. He completed paramedic school at Crafton College before serving as a paramedic intern in 1994 at the Ontario Fire Department.
After serving as a firefighter for the City of Coronado for a couple years, Chief Ehrman was hired at Ontario Fire Department in 1996 where is has been ever since. During his tenure he has served as a Firefighter/Paramedic, Fire Captain, Battalion Chief, Deputy Chief, Fire Marshal, and now as the Senior Deputy Chief of Operations.
Chief Ehrman oversees the Operations Bureau.
Mike Gerken, Deputy Chief - Fire Prevention (photo coming soon)
Deputy Chief Gerken grew up in Arcadia where he attended Arcadia High School before attending San Diego State University. Chief Gerken obtained his Bachelor’s degree and was hired by Alhambra Fire Department as a firefighter in 1996 prior to joining the Ontario Fire Department in 1998. During Chief Gerken’s tenure at Ontario Fire Department he has held positions as Firefighter, Fire Captain, Battalion Chief, and now Deputy Chief.
Chief Gerken oversees the Fire Prevention Bureau.
Brian McFarlane, Deputy Chief – Support Services/Airport Operations (photo coming soon)
Deputy Chief McFarlane grew up in Fullerton and graduated from Cal Poly San Luis Obispo with a Bachelor’s degree in Mechanical Engineering. While in attending college, Chief McFarlane worked as a reserve firefighter for both the Cal Poly Fire Department and Pismo Beach Fire Department. Chief McFarlane was hired by Ontario Fire Department in 1997 where he has worked ever since. During Chief McFarlane’s tenure at Ontario Fire Department he has held positions as a Firefighter/Paramedic, Fire Engineer, Fire Captain, Battalion Chief, and now as a Deputy Chief.
Chief McFarlane oversees the Support Services/Airport Operations Bureau.
Pamela Martinez, EMS Director (photo coming soon)
Pamela grew up in Hesperia before attending nursing school at Victor Valley College and obtaining her Bachelor’s Degree from California State University, Long Beach. Pamela began her nursing career as a Registered Nurse in 1994 and has worked in several emergency departments including Loma Linda University Medical Center & Havasu Regional Medical Center. Pamela also worked as a flight nurse before joining the Chino Valley Fire District as their EMS Coordinator in 2001 and is a member of the medical team at the California Speedway. In 2006, Pamela joined the Ontario Fire Department and has held the positions of Nurse Administrator and now as EMS Director.
Pamela oversees the EMS Bureau.
Jordan Villwock, Fire Administrative Director (photo coming soon)
Jordan grew up in Southern California where is obtained his Bachelor’s degree from Concordia University, Irvine in 2007 and his Master’s degree from California State University, Long Beach in 2012. Jordan learned of his passion in public safety when he was serving as a Police Explorer for the Laguna Beach Police Department. He worked in Laguna Beach for several years holding the positions of Public Safety Dispatcher, Sr. Public Safety Dispatcher, Public Information Officer, and Emergency Manager prior to joining the Ontario Fire Department in 2019.
Jordan oversees the Administrative Services Bureau.