Meet Your Faculty

Among the best in the world

The depth of knowledge and personal attention you will receive from our globally ranked faculty will form the foundation of your UC Davis MPAc degree.

You’ll learn from thought leaders who are experts in their fields and who are developing innovative solutions for today’s business challenges.

Our faculty bring experiences from their pioneering research, teaching and consulting work — which is shaping management practices throughout the U.S. — to the classroom to give you a world-class education.

They will lead you through a dynamic classroom experience filled with case studies, seminars, guest speakers, simulations and team projects so you can learn complex concepts and skills that will serve you well throughout your career.


C. Janie Chang

Academic Executive Director, Master of Professional Accountancy Program

Ph.D., University of California, Irvine

Research Expertise 
Human information processing in accounting settings, behavioral issues in managerial accounting and auditing, nature of expert judgments, group decision making, accounting information systems, audit analytics, and cross-cultural research.

Janie Chang is the academic executive director of the Master of Professional Accountancy (MPAc) program at the UC Davis Graduate School of Management.

Grace Mubako

Visiting Professor

Ph.D., Business Administration - Accounting, Southern Illinois University Carbondale, 2012

Research Expertise
Audit judgment, Internal audit

Grace Mubako has 15 years of teaching experience in the area of accounting and auditing. Her research focuses on audit judgment and decision making, professional skepticism, as well as internal auditing and corporate governance issues. She also volunteers in several roles with the Institute of internal auditors where she advocates for internal audit awareness and education among students.

Ayung Tseng

Assistant Professor

Ph.D., Accounting, Columbia University, 2015
Master of Business Administration (MBA), Finance, Yale University, 2009
Bachelor of Business Administration (B.B.A.), Accounting, National Taiwan University, 2003

Research Expertise
Company disclosure, accounting measurement issues, asset pricing, innovation, healthcare

Mike Ueltzen


Master of Business Administration (MBA), California State University, Sacramento
Bachelor of Science (B.S.), California State University, Sacramento

Research Expertise
Forensic Accounting

Mike Ueltzen has testified as an expert witness in cases throughout the United States in federal and state courts in matters that involved both civil and criminal claims and in arbitrations. He has also served as a federal special master, court appointed expert, referee, mediator, and an arbitrator.

Michelle Yetman


Ph.D., University of North Carolina, Chapel Hill

Research Expertise
Accounting, financial reporting and valuation

Professor Michelle Yetman's research interests are in financial reporting quality, governance and taxation. She expands beyond the boundaries of the commonly investigated U.S. for-profit corporation by investigating international and nonprofit settings. Her research has been published in the Journal of Accounting Research, the Accounting Review, National Tax Journal, Management Science, Nonprofit and Voluntary Sector Quarterly, and the Journal of Accounting and Public Policy. She teaches the core MBA and MPAc course in financial accounting, as well as an accounting for non-financial managers course in the Wine Executive Program.

Yetman received her Ph.D. from the University of North Carolina at Chapel Hill. She earned her Master of Accounting Science from the University of Illinois, Champaign, and her MBA from Texas A&M University. She earned her Bachelor of Business Administration from Stephen F. Austin State University. She is a certified public accountant in Texas and a member of the American Accounting Association.


  • Best Paper Award 2013, American Accounting Association Annual Meeting, Government and Nonprofit Section Annual Meeting.
  • Dean’s Faculty Research Scholar, UC Davis Graduate School of Management, 2009-10.
  • Small Grant in Aid of Research, UC Davis, 2007-09.
  • New Faculty Research Grant, UC Davis, 2005.
  • Faculty Research Fellow, University of Iowa McGladrey Institute, 2002-03.
  • Scholarship, Educational Foundation for Women in Accounting, 1999.