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Meet the staff

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Learn more about the staff in Audit Services.
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KC Jones - Director

Photograph of Audit Services Director KC Jones

MPM, BA Economics

KC has served as Director of the Audit Services team since 2021. Previously, KC worked as the Policy and Outreach Coordinator for the City Auditor’s Independent Police Review, managing that division’s policy, data, and outreach activities. Before working for the City Auditor’s Office, KC was a Performance Auditor in the Oregon Secretary of State’s Audits Division. Before relocating to Portland, KC spent nearly ten years as an evaluator, auditor, and analyst for the U.S. Department of Education’s Office of Inspector General in Washington, DC. He attended Georgetown University, where he received a Masters in Policy Management, as well as Washington College, where he received a Bachelor’s in Economics. KC enjoys reading, drawing, listening to punk rock, and cooking gourmet meals for his family.


Tenzin Gonta - Deputy Director

A photograph of Performance Auditor Tenzin Gonta

CIA, MPA, BA Biology 

Tenzin has served as Deputy Director of Audit Services since 2022. She joined the team in 2010 after working at the Oregon Secretary of State's Audits Division where she attained the rank of Principal Auditor. Tenzin has taken on leadership roles as a peer reviewer with the Association of Local Government Auditors, and board member for the Portland chapter of the Institute of Internal Auditors. Prior to her work in government auditing, Tenzin held various positions within the nonprofit sector at organizations of local and national scope. During graduate school, her research focused on public-nonprofit partnerships and the development of nonprofit leaders of color in Oregon. Outside of work, Tenzin enjoys volunteering in the community and exploring the outdoors with her energetic child.


Jennifer Amiott - Senior Performance Auditor 

JD, MA Anthropology, BA Zoology

Jennifer Amiott joined the Audit Services Division in 2020. Her audit work includes emergency management, Fire Bureau, and Joint Office of Homeless Services audits. She is also a member of the division’s Fraud Hotline team. Previously, Jennifer was an attorney in the City Auditor’s Office and at Legal Aid Services of Oregon's Native American Program. She holds a bachelor’s degree in Zoology from Miami University, a master's degree in Anthropology from Portland State University, and a law degree from Lewis and Clark Law School.


Mason Atkin - Senior Performance Auditor

Photo of Mason Atkin, Senior Performance Auditor

MBA. MS Conflict and Dispute Resolution, BS Psychology 

Mason joined the Audit Services Division in 2024. Previously they worked in performance auditing at Metro Government, producing two bond implementation audits. Before auditing, Mason worked in program evaluation and community research in Portland nonprofits. Mason is interested in how accessible data can support government accountability to the public.

Mason has a bachelor’s degree in psychology from Oregon State University, as well as an MBA and a master’s degree in Conflict and Dispute Resolution from University of Oregon. Mason’s a 6th generation Oregonian and likes comedy and reading.


Jessica Lange - Staff Performance Auditor

BA Biology 

Jessica joined the Audit Services Division in 2023. Previously, Jessica worked in the pharmaceutical industry to ensure the safety and quality of drug products used by patients. She also has a background in education and previously spent time engaging with the community as an assistant teacher in a first grade classroom. 

Jessica is originally from the Seattle area and obtained her bachelor’s degree in Biology from the University of Washington. Prior to relocating to Portland, she spent four years working in the Washington, DC area. Outside of work, Jessica enjoys trying new places to eat and appreciating art.


Bob MacKay - Senior Performance Auditor

MPA, BA Asian Studies 

Bob started with the Audit Services Division part-time in 2007 working on the annual Auditor’s Community Survey.  He started full-time in 2009 working on performance audits and continuing to be involved with the annual survey. 

Bob joined the City Auditor's Office in 2000, working as a Research Associate for the Portland Multnomah Progress Board, where he worked on research and analytical projects.  Prior to coming to work for the City, he worked for the Oregon Health Division for five years in the Center for Health Statistics. Before moving to Portland, Bob toiled for four years on and around Capitol Hill, in Washington, DC. 

As a Performance Auditor II, Bob has been both Auditor in Charge and an audit team member on multiple audit projects, helping to identify efficiency and effectiveness improvements in City bureaus and offices. 


Elizabeth Martinez - Senior Performance Auditor

PhD, MA, BA Sociology 

Photo of Elizabeth Martinez, Performance Auditor II

Elizabeth joined the Audit Services Division in 2023. Prior to joining the team, Elizabeth worked as a Deputy Ombudsman for the City Auditor’s Office of the Ombudsman and as a Policy Research Analyst the State of Oregon Higher Education Coordinating Commission. With a background in research and policy evaluation, Elizabeth is dedicated to using the tools of social science to ensure that government is accountable, transparent, and accessible to the public.

Elizabeth holds a bachelor’s degree in sociology from Seattle Pacific University and a master’s and PhD in sociology from Indiana University.


Martha Prinz - Senior Performance Auditor

CFE, MPA, BA Art History 

Martha joined the Audit Services Division in 2007 after working as a policy and budget analyst for the City of New York, a researcher for New York State’s Metropolitan Transportation Authority, and in various capacities for the National Audubon Society and the Oregon Environmental Council. Martha’s audit work includes the City’s approach to collections, management of groundwater, housing bond and tree code implementation, and police training.

Martha received a Master of Public Administration degree with a finance specialization from New York University and a bachelor’s degree from Oberlin College. She is a Certified Fraud Examiner and a member of the Association of Local Government Auditors. 


Jenny Scott - Principal Performance Auditor

A photograph of Performance Auditor Jenny Scott

CIA, MPA, BA International Relations and Politics 

Jenny Scott joined the Audit Services Division in 2008 after working as a performance auditor with the Oregon Secretary of State. Her audit work includes utility payment assistance, City services in East Portland, Regional Arts and Culture Council, City credit card use, and employee accountability systems at the Fire Bureau. Jenny is a Certified Internal Auditor. She served as President of the Association of Governmental Accountants and led Association of Local Government Auditors peer reviews. Jenny received a Master of Public Administration and a Graduate Certificate in Nonprofit Management from the University of Oregon. Her graduate research focused on how information about government policy change is disseminated through Spanish-speaking immigrant communities. She holds a bachelor’s degree from Scripps College.


Minh Dan Vuong - Principal Performance Auditor

A photograph of Performance Auditor Minh Dan Vuong

BA Economics

Minh Dan joined the Portland Audit Services Division in 2016. He previously served in the San Jose City Auditor’s Office for 3 years. His performance audits have covered a wide range of municipal services, including police gang enforcement, street pavement maintenance, transportation regulations, economic development, golf courses, and call center operations. His audit recommendations improved services and business processes, identified cost savings, and increased government transparency. Minh Dan also manages the contract for the City's external financial audits.

Minh Dan is a member of the Association of Local Government Auditors (ALGA) and participated in its Online Resources Committee. He regularly leads audit training sessions and participates in peer reviews of other audit agencies.

In 2011-2012, he held a CORO Fellowship in Public Affairs, with assignments to the San Francisco Public Utilities Commission, the Port of Oakland, as well as non-profits, businesses, and a Congressional campaign. Minh Dan holds a Bachelor of Arts in Economics from Stanford University.