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Fairfax County Fire and Rescue Department
4100 Chain Bridge Rd, Fairfax, Virginia 22030
Phone: 703-246-3801, TTY: 711 and Fax:703-385-1687
Duty PIO (Weekends/After-hours): 703-280-0694
Media Information Line: 703-324-3000


John Diamantes Selected For Deputy Chief

Fire Chief Ronald L. Mastin has selected Battalion Chief John Diamantes for promotion to Deputy Chief, effective July 5, 2008. He will be assigned as Deputy Chief, Safety and Personnel Services Division. He currently serves as the Acting Deputy Chief, Operations, C-Shift.

Chief Diamantes became a firefighter in April 1985, beginning his career at Seven Corners Fire and Rescue Station 28. He was promoted to Cave-In Technician in 1988 and a year later to Lieutenant and assigned to Baileys Crossroads Fire and Rescue Station 10. Chief Diamantes was promoted to Captain I in 1995 and subsequently assigned to Franconia Fire and Rescue Station 5 and then Woodlawn Fire and Rescue Station 24.

In 1997, he was assigned to the Health and Safety Section. He was promoted to Captain II in 1999 and assigned as Station Commander, Fair Oaks Fire and Rescue Station 21, and subsequently assigned to Communications in 2001. In 2003 he was promoted to Battalion Chief.

As Deputy Chief, Safety and Personnel Services, he will be responsible for personnel, payroll, promotional exams, recruitment, and health and safety within the Department. He will also be responsible for supporting the Public Safety Occupational Health Center providing comprehensive health services, including: medical exams, immunizations, respirator fit-testing, urgent care for industrial injuries, illness prevention, and health risk reduction for uniformed public safety members.

Deputy Chief Diamantes is certified in Technical Rescue Operations and is a member of Virginia Task Force 1 where he serves as an Operations Chief and Task Force Leader. He has an Associate Degree in Applied Science, Fire Administration (Summa Cum Laude) from Northern Virginia Community College, and a Bachelor of Science in Communication Arts, James Madison University.

Chief Diamantes lives in Springfield, Virginia, with his wife Cathy, and two children, Brenna and Patrick.


For more information, call Daniel L. Schmidt or Lieutenant Ral G. Castillo, Fairfax County Fire and Rescue Department, 703-246-3801 and TTY: 711. Fairfax County is committed to nondiscrimination on the basis of disability in all county programs, services and activities. Reasonable accommodations will be provided upon request.

Last Modified: Monday, August 29, 2011

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