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Aaron Osorio Rises Up Ranks to Become Richmond’s Fire Chief

For Aaron Osorio, it started with a ride along on a firetruck at age 10. “I thought it was the coolest job,” he said, adding, “I knew being in fire service would make a big difference in the community.” Now a 27-year fire service veteran, Osorio appears to approach his work with the same youthful exuberance. And that’s good for the city as Osorio was recently named chief of the historic Richmond Fire Department.

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Richmond Fire Department Chief Aaron Osorio. Courtesy photo.
Richmond Fire Department Chief Aaron Osorio. Courtesy photo

By Mike Kinney

The Richmond Standard

For Aaron Osorio, it started with a ride along on a firetruck at age 10.

“I thought it was the coolest job,” he said, adding, “I knew being in fire service would make a big difference in the community.”

Now a 27-year fire service veteran, Osorio appears to approach his work with the same youthful exuberance. And that’s good for the city as Osorio was recently named chief of the historic Richmond Fire Department.

Osorio is a San Francisco native who rose up the ranks in the Richmond Fire Department over the last 21 years before being elevated to chief.

He joined the department in 2002 and has served in multiple roles including firefighters, engineer, captain, battalion chief, training director and deputy fire chief. He said he truly loves working in this community.

While it isn’t common for a fire department to hire a chief that came up through its ranks, Osorio was credited by the city for serving Richmond well during uncommon times.

The city lauded him for developing internal policies and vaccination clinics during the initial COVID response, for supporting activation of the emergency operations center in response to a potential mudslide disaster in Seacliff last year, helping to draft mutual aid agreements and working to increase fire response capabilities for industrial incidents.

He’s also led departmental hiring and recruitment since 2018.

Osorio said it is an honor to be hired as chief and has big plans for the department moving forward. He said he wants to continue hiring and promoting for vacant positions, and also completing a strategic plan guiding the direction of the organization.

He also aims to replace and renovate a number of fire department facilities placed on the Capital Improvement Plan and create new ways to recruit that will enhance the diversity of the department.

Osorio said his experience within, and love for, the city of Richmond puts him in a good position to lead the department. He says he knows what is needed and also the challenges that are unique to the city.

“I look forward to utilizing that institutional knowledge to move the fire department forward in a positive direction and enhance the services we provide to the community,” the chief said.

Osorio holds a bachelor of science degree in Fire Administration and is also a California State Fire Marshal-certified chief officer, company officer, and state instructor.

He also holds numerous certifications in fire, rescue, hazardous material, and incident command.

The chief has been married to his wife, Maria, for 26 years and they have two sons, Roman and Mateo.

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Oakland Post: Week of November 26 – December 2, 2025

The printed Weekly Edition of the Oakland Post: Week of November 26 – December 2, 2025

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Oakland Post: Week of November 19 – 25, 2025

The printed Weekly Edition of the Oakland Post: Week of November 19 – 25, 2025

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IN MEMORIAM: William ‘Bill’ Patterson, 94

Bill devoted his life to public service and education. In 1971, he became the founding director for the Peralta Community College Foundation, he also became an administrator for Oakland Parks and Recreation overseeing 23 recreation centers, the Oakland Zoo, Children’s Fairyland, Lake Merritt, and the Henry J. Kaiser Convention Center.

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William "Bill" Patterson, 94. Photo courtesy of the Patterson family.

William “Bill” Patterson, 94, of Little Rock, Arkansas, passed away peacefully on October 21, 2025, at his home in Oakland, CA. He was born on May 19, 1931, to Marie Childress Patterson and William Benjamin Patterson in Little Rock, Arkansas. He graduated from Dunbar High School and traveled to Oakland, California, in 1948. William Patterson graduated from San Francisco State University, earning both graduate and undergraduate degrees. He married Euradell “Dell” Patterson in 1961. Bill lovingly took care of his wife, Dell, until she died in 2020.

Bill devoted his life to public service and education. In 1971, he became the founding director for the Peralta Community College Foundation, he also became an administrator for Oakland Parks and Recreation overseeing 23 recreation centers, the Oakland Zoo, Children’s Fairyland, Lake Merritt, and the Henry J. Kaiser Convention Center.

He served on the boards of Oakland’s Urban Strategies Council, the Oakland Public Ethics Commission, and the Oakland Workforce Development Board.

He was a three-term president of the Oakland branch of the NAACP.

Bill was initiated in the Gamma Alpha chapter of Kappa Alpha Psi Fraternity.

In 1997 Bill was appointed to the East Bay Utility District Board of Directors. William Patterson was the first African American Board President and served the board for 27 years.

Bill’s impact reached far beyond his various important and impactful positions.

Bill mentored politicians, athletes and young people. Among those he mentored and advised are legends Joe Morgan, Bill Russell, Frank Robinson, Curt Flood, and Lionel Wilson to name a few.

He is survived by his son, William David Patterson, and one sister, Sarah Ann Strickland, and a host of other family members and friends.

A celebration of life service will take place at Henry J. Kaiser Convention Center (Calvin Simmons Theater) on November 21, 2025, at 10 AM.

His services are being livestreamed at: https://www.facebook.com/events/1250167107131991/

In lieu of flowers, donations can be made to the Euradell and William Patterson scholarship fund TBA.

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