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Tim McOsker

b. 1962

American politician

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About Tim McOsker

Born 1962. Tim McOsker is an American politician.

Timothy B. McOsker (born June 14, 1962) is an American politician, businessman, attorney, and former lobbyist, serving as a member of the Los Angeles City Council for the 15th district. Prior to that, he was the CEO of AltaSea at the Port of Los Angeles from 2018 to 2022 and chief of staff to Los Angeles City Attorney and later Mayor James Hahn from 1997 to 2005.

Early life and education McOsker was born in San Pedro, Los Angeles on June 14, 1962, to one of six children, with his parents also being from San Pedro. He attended the University of Notre Dame and then received a Juris Doctor from the University of California, Los Angeles School of Law.

Chief of staff (1997–2005) In 1997, then Los Angeles City Attorney James Hahn made McOsker his chief of staff, saying that they had both lived in the San Pedro, Los Angeles and bonded when McOsker was a contract worker. After Hahn defeated Antonio Villaraigosa in the 2001 mayoral election, McOsker was named as chief of staff, the first appointment Hahn made. His authority within the staff grew after the resignations of three deputy mayors.

Post-Los Angeles City staff (2005–2022) In 2005, after the mayoral election where Hahn lost to Villaraigosa, McOsker joined the law firm Glaser Weil Fink Jacobs Howard Avchen & Shapiro LLP. He stayed at the company until 2008 when he joined Mayer Brown until 2013. He then joined Glaser Weil in 2013.

On January 25, 2018, the AltaSea’s Board of Trustees named McOsker as its chief executive officer, which became effective on February 1, 2018. A year before, McOsker had represented AltaSea during legal matters including during the lease renegotiations with the Port of Los Angeles in 2017. He oversaw the company's contracts, leases, land deals and partnership negotiations as well as overseeing the land use for the Southern California Marine Institute. He replaced Jenny Krusoe, who became the executive director.

On December 14, 2021, they named Terry Tamminen as its chief officer after McOsker announced his run for city council.

Los Angeles City Council (2022–present) In 2021, McOsker announced that he would be running in the 2022 Los Angeles elections for Los Angeles City Council District 15 to replace Joe Buscaino, who was retiring from the office for an unsuccessful run for mayor. McOsker qualified for the candidacy in March 2022. In the primary election, McOsker took the lead over candidates Danielle Sandoval, Anthony Santich, and Bryant Odega. He was forced into a runoff with Sandoval as he did not gain 50% of the vote. McOsker won with 65.44% of the vote in the general election, and was sworn in on December 11, 2022.

Electoral history

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Important facts

Birth century
Occupation
Nationality
Education
UCLA School of Law, University of Notre Dame, University of California, Los Angeles
Positions held
Council member

People in Tim McOsker's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Tim McOsker's

Frequently asked questions

Who is Tim McOsker?

American politician

When was Tim McOsker born?

Tim McOsker was born on 14 June 1962 in San Pedro.

What is Tim McOsker's occupation?

Tim McOsker is a politician.

What nationality is Tim McOsker?

Tim McOsker is American.

Sources & further reading

· Wikipedia: Tim McOsker

· Wikidata: Q115238364

· DBpedia: Tim McOsker

Cite this page

APA: Biography.guide. (2026). Tim McOsker. https://biography.guide/tim-mcosker/

MLA: "Tim McOsker." Biography.guide, https://biography.guide/tim-mcosker/.

Chicago: "Tim McOsker." Biography.guide. https://biography.guide/tim-mcosker/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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