Denver Auditor
Denver’s 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 as the Denver Auditor in 2015, Timothy O'Brien is distinguished from his predecessors by being an actual professional auditor. He is a licensed Certified Professional Accountant and holds the designations of Chartered Financial Analyst and Chartered Global Management Accountant.
Denver’s Auditor is publicly elected and answers to the voters. The role of the Auditor – and internal auditing functions in general – is to help minimize risks, improve internal controls, maximize efficiencies, and strengthen accountability.

Ask The Auditor - How Do Audit Analytics Help With Audits?

Ask the Auditor: Why are strip clubs being investigated?

Ask the Auditor - What's going on at Denver International Airport?

Wages Wednesday - Wage rights in the adult entertainment industry

Ask the Auditor: Wage Theft and Restitution in 2024

Ask the Auditor - City Shelters

Ask the Auditor - 2025 Audit Plan

Ask the Auditor - Fleet Management

Ask the Auditor - Employee Misclassification

Ask the Auditor - Denver Museum of Nature and Science

Ask the Auditor - Community Impact

Ask the Auditor - Selecting Audits

Ask the Auditor: Wage Theft in the Community

Anatomy of an Audit Report

Ask the Auditor - Self-funded health plan

Ask the Auditor - Mental Health in Jails

Ask the Auditor: Gig Work and Wage Theft

Ask the Auditor - Residential Permitting

Audit Recommendation Dashboard

Ask the Auditor: Affordable Housing

Ask the Auditor - 2024 Minimum Wage

Ask the Auditor - Audit Plans for 2024

Ask the Auditor: Prevailing Wage Administration

Ask the Auditor - Progress on Peña Boulevard Construction Project

Ask the Auditor - What Denver Labor Does for You

Pregunte al Auditor: ¿Qué hace Denver Labor por usted?

Ask the Auditor - Denver Police Operations

Ask the Auditor - What is city auditing?

Ask the Auditor - Denver's Great Hall Project

Ask the Auditor - Homeless Encampments