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Denver has an independently-elected Auditor to serve as a check and balance on Denver’s “strong mayor” form of government. Timothy M. O’Brien, CPA, was elected to a four-year term as Denver’s 24th Auditor in 2015 and re-elected in 2019 and 2023. The Auditor’s Office is responsible for internal audit services and civil wage theft, minimum wage, and prevailing wage enforcement. Read our 2024 Strategic Plan(PDF, 3MB).

Over 40 Years of Experience

Denver’s Auditor is unique because Auditor O’Brien was elected by the people and is independent from all other citywide elected officials and city operational management. He works independently from the Mayor’s Office and the City Council to maintain objectivity and offer frank, truthful reports for the betterment of Denver.

Denver Auditor Timothy M. O’Brien, CPA, has more than 40 years of auditing and accounting experience. Auditor O’Brien strives to bring greater clarity, transparency, and accountability to Denver’s city government for its residents. Elected in 2015 — and reelected in 2019 and 2023 — Timothy O’Brien is distinguished from his predecessors as a professional auditor.

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