Brook Marshall

Brook Marshall: Email & Phone Number

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Police at City of El Segundo|El Segundo, California, United States

Position:

Police at City of El Segundo

Location:

El Segundo, California, United States

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Last updated: 2026-08-12
Updated: 2026-08-12

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Work Experience 27 years

Police at City of El Segundo

Jul 2024 - Current

Police Officer at CITY OF CYPRESS

Jan 2010 - Dec 2024

Deputy Sheriff at Los Angeles County Sheriff's Department

Jun 2006 - Jan 2010

US Army Staff Sergeant at US Army

Oct 2001 - Jul 2008

Community Service Specialist at Orange County Sheriff's Department

Feb 1999 - Jun 2006

Brook Marshall started working in 1999, then the employee has changed 4 companies and 4 jobs. On average, Brook Marshall works for one company for 6 years 11 months.

Their professional focus is Active Shooter Instructor, Active Shooter Response, and Analytical Skills across 3 core areas.

Brook holds Lone Active Shooter Response, Tactical Handgun Instructor, and Police Rifle Instructor certifications and has been awarded Officer Of the Year and Army Commendation Medal with Valor

Education

Bachelor's degree at Southern New Hampshire University

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