Denver Auditor

Welcome to the Office of Auditor Timothy M. O'Brien
2021 Audit Plan

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. The Auditor’s Office is responsible for internal audit services and prevailing wage and minimum wage enforcement.

Audits & Follow-ups since 2016

Returned Wages ($) since 2017

Over 40 Years of Experience

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 (and re-elected in 2019), Timothy O’Brien is distinguished from his predecessors by being a professional auditor.  He is a licensed Certified Public Accountant and holds the designations of Chartered Financial Analyst and Chartered Global Management Accountant.

About the Auditor

 In his 11 years in Colorado’s top auditing job as the Colorado State Auditor, Auditor O’Brien:

  • Pushed for the Great Colorado Payback program that returned almost $400 million to the rightful owners
  • Produced over 750 financial and performance audits
  • Identified savings of over $200 million
  • Managed budget increases to less than 1.5% per year
  • Was twice recognized by the non-partisan National Conference of State Legislatures for his legislative program

As a board member, an Audit Committee expert, and as an auditor, Auditor O’Brien:

  • Participated in hundreds of audits
  • Facilitated the merger between two publicly held corporations
  • Advised public pension plans

Auditor O’Brien has led both private and public organizations, and provided expert financial advice to those and others. He was honored with the 2016 Jonathan Holtzinger Award of Excellence by the Colorado Chartered Financial Analyst Society for demonstrating the highest standards as a financial and investment professional. Auditor O’Brien also received the 2017 Outstanding CPA in Government Impact Award from the American Institute of CPAs.

Auditor O’Brien’s experience includes:

  • Chairman, Board of Trustees, Public Employee Retirement Association of Colorado (PERA)
  • Chairman of the Board, family of 29 mutual funds
  • President and CEO, American Humane Association
  • Chairman of the Board and Chair of the Audit Committee, Colorado Housing and Finance Authority (CHFA)
  • Board Member and Chairman of the Audit Committee of a telecommunications company
  • Board Member and Treasurer, Lions Club of Denver
  • President and Board Member, Colorado Society of CPAs
  • Governing Council Member, American Institute of CPAs
  • Investment Advisory Council Member, Alaska State Pension Investment Board

Auditor O’Brien’s professional associations include:

  • Colorado Society of CPAs (licensed since 1974)
  • American Institute of CPAs
  • Chartered Financial Analyst Institute
  • Colorado Society of Chartered Financial Analysts (licensed since 1999)
  • National Association of State Auditors (life member)

Education:

  • B.S.B.A. Accounting major, Loyola University- Chicago
  • M.B.A. University of Colorado

Personal life: Tim O’Brien lives in Southeast Denver with his wife Mary Frances Kelley. They have three wonderful daughters and two amazing grandchildren. Auditor O’Brien can be reached by calling (720) 913-5000 or emailing auditor@denvergov.org.

Caring For Denver

Caring For Denver

Travel Expenses

Travel Expenses

Prevailing Wage Rate Determination Process

Prevailing Wage Rate Determination Process

National Western Center – Hensel Phelps Construction Contract

National Western Center – Hensel Phelps Construction Contract

Data Centers Follow-up

Data Centers Follow-up

Workers’ Compensation Program Follow-up

Workers’ Compensation Program Follow-up

2020 Mid-Year Audit Analytics Update

2020 Mid-Year Audit Analytics Update

Syringe Access and Sharps Disposal Programs

Syringe Access and Sharps Disposal Programs

Employment Services Cluster Grants

Employment Services Cluster Grants

Edward Byrne Memorial Justice Assistance Grant

Edward Byrne Memorial Justice Assistance Grant

Airport Security Follow-up

Airport Security Follow-up

Minority/ Women and/or Disadvantaged Business Program

Minority/ Women and/or Disadvantaged Business Program

Library Financial Processes

Library Financial Processes

Safety and Security of City Facilities

Safety and Security of City Facilities

Workday User Access Controls: Follow-up

Workday User Access Controls: Follow-up

Affordable Housing: Follow-up

Affordable Housing: Follow-up

Patch Management

Patch Management

City Real Estate Portfolio Practices

City Real Estate Portfolio Practices

Open Records Request Process

Open Records Request Process

Marijuana Taxation

Marijuana Taxation

Follow-up: Contractor Hiring and Payment Processes

Follow-up: Contractor Hiring and Payment Processes

High Intensity Drug Trafficking Areas Grant

High Intensity Drug Trafficking Areas Grant

Follow-up: Capital Assets

Follow-up: Capital Assets

Follow-up: Special Revenue Funds

Follow-up: Special Revenue Funds

Board of Ethics and Clerk and Recorder’s Office

Board of Ethics and Clerk and Recorder’s Office

Public Works Asset Management Software Applications

Public Works Asset Management Software Applications

2019 Continuous Auditing Update

2019 Continuous Auditing Update

Follow-up: Debt Management

Follow-up: Debt Management

Caring For Denver

Caring For Denver

Travel Expenses

Travel Expenses

Prevailing Wage Rate Determination Process

Prevailing Wage Rate Determination Process

National Western Center – Hensel Phelps Construction Contract

National Western Center – Hensel Phelps Construction Contract

Data Centers Follow-up

Data Centers Follow-up

Workers’ Compensation Program Follow-up

Workers’ Compensation Program Follow-up

2020 Mid-Year Audit Analytics Update

2020 Mid-Year Audit Analytics Update

Syringe Access and Sharps Disposal Programs

Syringe Access and Sharps Disposal Programs

Employment Services Cluster Grants

Employment Services Cluster Grants

Edward Byrne Memorial Justice Assistance Grant

Edward Byrne Memorial Justice Assistance Grant

Airport Security Follow-up

Airport Security Follow-up

Minority/ Women and/or Disadvantaged Business Program

Minority/ Women and/or Disadvantaged Business Program

Library Financial Processes

Library Financial Processes

Safety and Security of City Facilities

Safety and Security of City Facilities

Workday User Access Controls: Follow-up

Workday User Access Controls: Follow-up

Affordable Housing: Follow-up

Affordable Housing: Follow-up

Patch Management

Patch Management

City Real Estate Portfolio Practices

City Real Estate Portfolio Practices

Open Records Request Process

Open Records Request Process

Marijuana Taxation

Marijuana Taxation

Follow-up: Contractor Hiring and Payment Processes

Follow-up: Contractor Hiring and Payment Processes

High Intensity Drug Trafficking Areas Grant

High Intensity Drug Trafficking Areas Grant

Follow-up: Capital Assets

Follow-up: Capital Assets

Follow-up: Special Revenue Funds

Follow-up: Special Revenue Funds

Board of Ethics and Clerk and Recorder’s Office

Board of Ethics and Clerk and Recorder’s Office

Public Works Asset Management Software Applications

Public Works Asset Management Software Applications

2019 Continuous Auditing Update

2019 Continuous Auditing Update

Follow-up: Debt Management

Follow-up: Debt Management

Updates From The Office

What We Do

U

Internal auditing focuses on identifying risks that threaten the ability of an organization to accomplish its mission. The Auditor’s Office conducts independent audits of city agencies to help mitigate identified risks in order to enhance efficiency and effectiveness, reduce costs, and improve the quality of services.

Enforcing the city’s prevailing wage requirements to ensure that contractors and subcontractors working for the city pay their employees nothing less than the appropriate rate for the classification of worker.

Enforcing the city’s minimum wage law. Beginning July 1, 2019, it is the law and our office works to ensure covered workers get what they are owed.

Assisting the Auditor with oversight responsibilities concerning the integrity of the city’s finances and operations. Receives the results of the internal audits conducted by the Auditor and is briefed monthly at public committee hearings.

Get in touch

Concerning

10 + 7 =

Email Notifications

Interested in receiving our monthly newsletter and report alerts as they're released? Use this form and sign-up below.