Joseph D. Piotroski

Professor, Accounting
+1 (650) 498-6988

Joseph D. Piotroski

The Robert K. Jaedicke Professor of Accounting

Amman Mineral Faculty Fellow for 2023–2024
Academic Area:

Additional Administrative Titles

Director, Enterprise Singapore Scale-Up SG Tech Programme
Co-Director, The Strategic Chief Sustainability Officer Program

Research Statement

Professor Piotroski’s 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. He also explores how capital market participants use financial information for valuation and investment purposes.

Research Interests

  • Corporate Transparency
  • Financial Regulation
  • Valuation in Emerging Markets

Teaching Statement

Professor Piotroski’s two MBA elective courses, “Accounting Based Valuation” and “Analysis and Valuation of Emerging Market Firms,” focus on the critical use of accounting information for corporate decision-making, valuation, and investment purposes in the U.S. and emerging market contexts, respectively.


Professor Piotroski is The Robert K. Jaedicke Professor of Accounting at Stanford Graduate School of Business, and a senior fellow at the Asian Bureau of Finance and Economic Research (ABFER).  Before joining the faculty at Stanford in 2007, Professor Piotroski was an associate professor of accounting at the University of Chicago Graduate School of Business (1999-2007).  

Professor Piotroski’s research has been published in scholarly journals in the areas of accounting, finance, and economics; these include The Journal of Finance, Journal of Financial Economics, Review of Financial Studies, Journal of Accounting Research, Journal of Accounting and Economics, The Accounting ReviewManagement Science, Review of Accounting Studies, and Journal of Law and Economics. His research on value investing has been widely cited in the popular press, used in practice, and highlighted on numerous investment-related websites. He currently serves on the editorial advisory boards of the Review of Accounting Studies, and Journal of Business, Finance and Accounting

Professor Piotroski teaches sessions on value creation and managerial performance measurement to business leaders in India, East Africa, and West Africa as a part of Stanford’s Institution for Innovation in Developing Economies’ Transformation Programs. He was the faculty director of the Stanford Ignite program in Beijing, and has both developed and taught in executive education programs focused on innovation for executives and entrepreneurs around the world.

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 from 1989 to 1992.


Academic Degrees

  • PhD in Accounting, University of Michigan, 1999
  • MBA in Finance, Indiana University, 1994
  • BS in Accounting, University of Illinois, 1989

Academic Appointments

  • Professor of Accounting, Stanford GSB, 2016-present
  • Associate Professor of Accounting, Stanford GSB, 2007–16
  • Associate Professor of Accounting, University of Chicago, 2003–07
  • Assistant Professor of Accounting, University of Chicago, 1999–2003
  • Graduate Research Assistant and Instructor, University of Michigan, 1994–99
  • Lecturer, Indiana University, 1992–94

Professional Experience

  • Tax Senior Associate, Coopers and Lybrand, 1989–92

Awards and Honors

  • Winnick Family Faculty Fellow for 2021–22
  • Stanford GSB Trust Faculty Fellow for 2016–17
  • Center for Global Business and the Economy Research Fellow, Stanford GSB, 2012–14
  • John A. Gunn and Cynthia Fry Gunn Faculty Scholar, Stanford GSB, 2010–11
  • Robert S. Hamada Faculty Fellow, University of Chicago GSB, 2005
  • William Ladany Faculty Research Fellow, University of Chicago GSB, 2002
  • Ernest R. Wish Accounting Research Award, University of Chicago GSB, 2001
  • American Accounting Association Best Dissertation Award, Financial Reporting Section, 2000
  • Deloitte and Touche Doctoral Fellowship, Deloitte and Touche, 1996


Journal Articles

Joseph D. Piotroski, T. J. Wong, Tianyu Zhang
Review of Finance
May 2022 Vol. 26 Issue 3 Pages 521–559
Elizabeth Blankespoor, Bradley E. Hendricks, Joseph D. Piotroski, Christina Synn
Review of Accounting Studies
Maria Ogneva, Joseph D. Piotroski, Anastasia A. Zakolyukina
The Accounting Review
September 2020 Vol. 95 Issue 5 Pages 321–350
Lisa De Simone, Joseph D. Piotroski, Rimmy Tomy
Review of Financial Studies
2019 Vol. 32 Pages 3105–3143
Peter R. Joos, Joseph D. Piotroski
Review of Accounting Studies
December 2017 Vol. 22 Issue 4 Pages 1492-1540
Ed deHaan, Joshua Madsen, Joseph D. Piotroski
Journal of Accounting Research
June 2017 Vol. 53 Issue 3 Pages 509-550
Peter Joos, Joseph D. Piotroski, Suraj Srinivasan
Journal of Financial Economics
September 2016 Vol. 121 Issue 3 Pages 645-663
Joseph D. Piotroski, T.J. Wong, T. Zhang
Journal of Accounting Research
March 5, 2015 Vol. 53 Issue 2 Pages 405-459
Joseph D. Piotroski, T. Zhang
Journal of Financial Economics
2014 Vol. 111 Issue 1 Pages 111-136
Joseph D. Piotroski, J. Gerakos, S. Srinivasan
Management Science
2013 Vol. 59 Issue 11 Pages 2413-2434
Joseph D. Piotroski
Journal of Accounting and Economics
2013 Vol. 56 Issue 2-3 Pages 216-223
Joseph D. Piotroski, E. So
Review of Financial Studies
2012 Vol. 25 Issue 9 Pages 2841-2875
Joseph D. Piotroski, R. Bushman, A. Smith
Journal of Business, Finance and Accounting
2011 Vol. 38 Issue 1/2 Pages 1-33
Joseph D. Piotroski, D. Roulstone
Journal of Law, Economics and Policy
2008 Vol. 4 Issue 2 Pages 409-448
Joseph D. Piotroski, S. Srinivasan
Journal of Accounting Research
2008 Vol. 46 Issue 2 Pages 383-425
Joseph D. Piotroski
Journal of Accounting Research
2007 Vol. 45 Issue 2 Pages 469-479
Joseph D. Piotroski, R. Bushman
Journal of Accounting and Economics
2006 Vol. 42 Issue 1/2 Pages 107-148
Robert M. Bushman, Joseph D. Piotroski, Abbie J. Smith
The Journal of Finance
July 20, 2005 Vol. 60 Issue 1 Pages 35-66
Joseph D. Piotroski
Review of Accounting Studies
2005 Vol. 10 Issue 2/3 Pages 171-184
Joseph D. Piotroski, D. Roulstone
Journal of Accounting and Economics
2005 Vol. 39 Issue 1 Pages 55-82
Joseph D. Piotroski, R. Bushman, A. Smith
Journal of Accounting Research
2004 Vol. 42 Issue 2 Pages 207-252
Joseph D. Piotroski, I. Dichev
The Journal of Finance
2001 Vol. 56 Issue 1 Pages 173-203
Joseph D. Piotroski
Journal of Accounting Research
2000 Vol. 38 Issue Supplement Pages 1-41
Joseph D. Piotroski, I Dichev
Journal of Business, Finance and Accounting
1999 Vol. 26 Issue 9/10 Pages 1103-1132

Book Chapters

Joseph D. Piotroski, T.J. Wong
Capitalizing China. Joseph Fan and Randall Morck, eds.
2012 Pages Chapter 4


Executive Education & Other Non-Degree Programs

Learn how to make better financial management decisions to increase the value of your company in the marketplace.
Learn how to grow and scale your company in this 10-month program ​for CEOs and founders of established businesses in Africa, Indonesia, and South Asia.
Make the business case for sustainability with strategic and financial frameworks, personal leadership skills, and a deeper knowledge of today’s sustainability landscape.

Stanford Case Studies

Ron Kasznik, Joseph Piotroski, Kweku Fleming, Corinne Augustine
George Foster, Martin Haemmig, Ning Jia, Sara Leslie, Joseph Piotroski, Jennie Tung

Service to the Profession

Editorial Advisory Board member

  • Journal of Accounting Research, 2005-2018
  • The Accounting Review, 2005-2011, 2014-2017
  • Review of Accounting Studies, 2011-present
  • Journal of Accounting and Economics, 2006-2011
  • Journal of Business, Finance and Accounting, 2008-present

Insights by Stanford Business

September 03, 2014
Research shows it’s more complex than mere crony capitalism.

School News

April 22, 2024
A new program opens Stanford GSB to undergraduates for the first time.
April 22, 2024
Event highlights importance of business and government collaboration to solve contemporary problems
February 12, 2024
A new program from Stanford GSB and Stanford Doerr School of Sustainability is designed to help CSOs become more effective leaders.
January 30, 2023
Stanford alumni, faculty, and industry leaders met in Singapore to explore the connections between Asia and the U.S.
March 02, 2016
Silicon Valley program returns to Beijing, Sept. 2 to Nov. 13, 2016, at Stanford Center at Peking University in collaboration with Z Park.