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Captain and Acting Division Commander

William Kelleher

Captain William Kelleher

William Kelleher joined the San Francisco Sheriff’s Office on June 15, 1998, fulfilling a lifelong ambition to become a law enforcement officer. Two years later, he promoted to Senior Deputy.

In 2014, he became a Lieutenant and on December 29, 2018, Sheriff Hennessy promoted Kelleher to Captain. 

Captain Kelleher has worked in every San Francisco county jail. He is currently assigned to the Field Operations Division, serving as the Sheriff’s Patrol Unit Commander.