Joseph Piotroski

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Joseph Piotroski, PhD

  • Stanford Affiliate, Stanford Center on China's Economy and Institutions
  • Robert K. Jaedicke Professor of Accounting, Stanford Graduate School of Business


Joseph Piotroski is the Robert K. Jaedicke Professor of Accounting at Stanford University’s Graduate School of Business, and a Senior Fellow at the Asian Bureau of Finance and Economic Research (ABFER). Professor Piotroski earned his PhD from the University of Michigan in 1999, an MBA from Indiana University in 1994, a BS in Accounting from the University of Illinois in 1989, and worked as a tax consultant for Coopers and Lybrand in Chicago. His research focuses on corporate transparency, governance, and regulation in a global context. His current research examines the impact of legal, political, and regulatory forces on capital market behavior and corporate decision-making, most notably in China and other emerging economies. His research has been published in scholarly journals in the areas of accounting, finance, and economics, and his research on value investing has been frequently cited in the popular press and is widely used in practice.