Greg Buchak

Associate Professor, Finance
+1 (650) 721-4004

Greg Buchak

Associate Professor of Finance

Center Fellow, Stanford Institute for Economic Policy Research
Winnick Family Faculty Scholar for 2023–2024
Academic Area:

Research Statement

My research focuses on consumer finance, the industrial organization of financial intermediation, financial regulation, and the role that finance plays in technological growth.

Research Interests

  • Fintech
  • Banking
  • Financial Intermediation
  • Private Equity
  • Law and Finance


Greg Buchak is an associate professor of finance at Stanford Graduate School of Business. Buchak earned his PhD in financial economics at the University Chicago’s department of economics and Booth School of Business. He also received a JD from the University of Chicago Law School. Before graduate school, he was a quantitative trader and portfolio manager at Goldman Sachs and the Royal Bank of Canada. He received a BA in mathematics and a BS in economics at the University of Pennsylvania.

Buchak’s primary research field is in corporate finance. He is interested in issues related to financial technology, financial intermediation, consumer finance, and the interplay between the evolving industrial organization of the financial sector, regulation, and technological progress.

Academic Degrees

  • PhD in Financial Economics, University of Chicago, 2019
  • JD, University of Chicago Law School, 2019
  • BS in Economics, University of Pennsylvania, 2009
  • BA in Mathematics, University of Pennsylvania, 2009

Academic Appointments

  • Assistant Professor of Finance, Stanford GSB, 2019–present

Professional Experience

  • Quantitative Portfolio Manager, Goldman Sachs & Co., 2008–10
  • Trader, Royal Bank of Canada, 2010–12

Awards and Honors

  • AQR Top Finance Graduate Award, 2019
  • John Leusner Fellowship, 2019
  • Douglas Baird Prize in Commercial Law, 2019


Journal Articles

Greg Buchak, Gregor Matvos, Tomasz Piskorski, Amit Seru
Journal of Political Economy
February 2024 Vol. 132 Issue 2
Greg Buchak, Gregor Matvos, Tomasz Piskorski, Amit Seru
NBER Macroeconomics Annual 2023
2024 Vol. 38
Greg Buchak
The Journal of Finance
November 2023
Michael Barnett, Greg Buchak, Constantine Yannelis
Proceedings of the National Academy of Sciences
January 2023 Vol. 120 Issue 2
Greg Buchak, Gregor Matvos, Tomasz Piskorski, Amit Seru
Journal of Financial Economics
December 2018 Vol. 130 Issue 3 Pages 453-483

Working Papers

Greg Buchak, Gregor Matvos, Tomasz Piskorski, Amit Seru February 2024
Greg Buchak, Gregor Matvos, Tomas Piskorski, Amit Seru October 2018
Greg Buchak, Adam Jørring April 2017
Greg Buchak, Gregor Matvos, Tomasz Piskorski, Amit Seru March 2017

Insights by Stanford Business

February 26, 2024
Uber’s and Lyft’s business models depend on low-income drivers. What happens when they can’t afford wheels?
December 05, 2023
New ideas never go out of season.
May 01, 2023
From VC and ESG to China and crypto — the topics and trends that professors are watching most closely.
December 09, 2021
Months before the company quit flipping houses, Stanford GSB researchers spelled out the risks of iBuying.
April 13, 2017
Nearly a decade after the junk-mortgage crash, tech-savvy and lightly regulated lenders are thriving.