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About the Office
Portland has had an elected City Auditor since 1868. As the sixth elected official in Portland’s government, the Auditor is functionally independent of City Council and accountable only to the public. The mission of the Auditor’s Office is to promote open and accountable government by providing independent and impartial reviews, access to public information, and services for City government and the public.
The Auditor’s Office has a $10 million operating budget. Fifty employees carry out their work in eight divisions. Those primarily responsible for ensuring the City is accountable are Audit Services, Code Hearings Office, Independent Police Review and the Ombudsman. The divisions responsible for ensuring the City is transparent are Archives and Records Management; Assessments, Finance and Foreclosure, and Council Clerk/Contracts. Staff in Management Services oversee City elections and the lobbyist registration program in addition to providing support to all divisions in the Auditor’s Office.
Mary Hull Caballero is the elected Auditor for the City of Portland, taking office in January 2015. She previously worked as a performance auditor at Metro Regional Government in Portland and the Oregon Department of Transportation. Prior to entering the auditing field, Mary co-founded and managed a public policy leadership development organization and was a newspaper reporter. She holds a Master's Degree in Public Policy and Management from Carnegie Mellon University. She received her undergraduate degree in Communication from Lewis and Clark College. Mary is a Certified Internal Auditor and a Certified Government Auditing Professional.
Toni Anderson was first introduced to the City of Portland when hired for a summer work position through the CETA training program. This led to being hired in 1976 to work in the neighborhood office for a volunteer board of her beloved North Portland. The two-person office worked out of the senior center and had its own mascot Sammy an orange tabby cat. Toni later worked for Bonneville Power but found her way back to the City in 1986 in the Auditor’s Office, where she worked her way up through the ranks to Council /Contracts Supervisor. If Toni could change one thing it would be to have an office cat or dog.
Diana Banning manages the Archives and Records Management Division and has served as the City Archivist since 1997. Prior to her time with the City, she was the County Archivist for King County, Washington. She has a Master of Library Science degree from the University of Washington and is certified through the Academy of Certified Archivists.
Greg Frank has been the City of Portland Land Use, Code and Tow Hearings Officer since 2000. Prior to becoming the Hearings Officer, Greg practiced real estate and land use law in Oregon and instructed real estate and law classes at Portland Community College. Greg received a Bachelor of Science degree from Portland State University and a Juris Doctor degree from Seattle University School of Law. Greg served on the Multnomah County Planning Commission and the Portland Metropolitan Boundary Commission (chair in 1988) and was secretary and education planner of the Oregon State Bar Real Estate and Land Use Section. Greg wrote a college textbook titled Real Estate: Practice, Law and Finance, which was used throughout the state of Oregon during the 1990’s. Greg is a frequent speaker at land use and administrative law seminars.
Drummond Kahn has led the Audit Services Division since 2005. He started in the auditing field in 1990, holding positions in state and federal government, including the Oregon Department of Transportation, the Oregon Secretary of State’s Office, and United States General Accounting Office, the investigative arm of Congress now known as the Government Accountability Office. Drummond holds a master's degree from the University of Oregon and a bachelor's degree from Whitman College. He holds certifications as an Internal Auditor, Government Financial Manager, and Government Auditing Professional.
Sarah Landis has been the Chief Deputy City Auditor since 2010. Previously, Sarah was a Principal Management Auditor and Deputy County Auditor for the Multnomah County Auditor’s Office. Her background prior to becoming an auditor was in education research and policy. She holds a Bachelor’s degree and a Master of Public Administration degree from The Evergreen State College. Sarah serves as Chief of Staff to the City Auditor, providing policy and operational support and acting as a liaison with Council Offices and Bureau Directors. She manages the Auditor’s Office business operations, human resources, and budget functions. She also supervises four divisions: Council Clerk/Contracts; Archives and Records Management; Assessments, Finance and Foreclosures; and Management Services, which includes the Elections and Lobbyist programs.
Dan Schmidt is a Senior Financial Analyst who supervises the Assessments and Finance functions of the Assessment, Finance and Foreclosure Division. After college Dan held various jobs with Multnomah County from elections to property assessment and taxation, and even worked as a workers compensation private investigator. Dan started his career with the city in 1987 in the accounting division of the Office of Management and Finance prior to taking the big leap to the Auditor’s office in 1990 to be the new senior accountant in what was then known as the Assessments & Liens Division. Dan’s responsibilities include budgeting and finance issues, administration of the City’s lien docket, debt financing, and coordination of special assessment bond sales. Dan holds a Bachelor’s degree in Business Administration with an emphasis in Accounting from Portland State University.
Constantin Severe is the director of Independent Police Review. He was born in Brooklyn, New York, and is the son of Haitian immigrants. He graduated from Andrews University in Berrien Springs, Michigan, with a bachelor’s degree in Political Economy. Constantin received his Juris Doctor from Vanderbilt University Law School in 2002. Prior to working for the City, he was a criminal defense attorney in the major felonies unit at the Metropolitan Public Defender’s office in Portland. He joined the Auditor’s Office in 2008 and became Director in June 2013. Constantin is an avid cyclist and music fan. His dream concert would be Ted Leo opening for a double bill of The Clash and The Jam.
Margie Sollinger has served as City Ombudsman since 2012. Before joining the Auditor’s Office, she was a Visiting Associate Professor at Georgetown University Law Center’s Institute for Public Representation, where she practiced environmental, administrative and open government law. Prior to that, Margie clerked on the Maine Supreme Judicial Court and was a housing attorney at Bread for the City, a non-profit social and legal services organization in the District of Columbia. Margie received her undergraduate degree in biology and environmental studies from Carleton College and her law degree from the University of Minnesota Law School.
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- Changes on deck for lobbyists, elected officials, and high-ranking employees
- Applications for Hearings Officer accepted March 28-April 8
- The Mayor's surprising question
- Have an idea for an audit?
- Meet our new colleagues
- Welcome to our new web page!
City of Portland Code of Ethics Explanations and Examples for Elected Officials, City Employees, Appointees to Boards and Commissions, and City Volunteers
Contact information for the City Auditor and Divisions of the Auditor's Office
Auditor's Office Divisions
Signed by the City Auditor January 26, 2016
Site Map of the Auditor's Office pages