Prof. Aaron Seokhyun YOON
Accounting and Law
Professor

3910 8523

Academic & Professional Qualification
  • D.B.A., Harvard University, 2018
  • M.A., Northwestern University, 2011
  • B.A., Northwestern University, 2011
Biography

Professor Yoon’s research focuses on measuring corporate sustainability efforts and examining how this information is used by investors and other market participants. According to the Financial Times, his research was a turning point on how investors viewed and integrated ESG information and also a tipping point for action. His work has been regularly cited not only by leading media outlets such as Bloomberg, Financial Times, Forbes, The New York Times, The Wall Street Journal, but also by regulators, standard setters, and institutional investors.

He has received multiple awards for his research and teaching, including the Responsible Business Education Award from the Financial Times, Best 40 Under 40 Professors Recognition from Poets & Quants, Crowell Prize for Best Paper in Quantitative Investing from PanAgora Asset Management, Chair’s Core Teaching Award from Northwestern Kellogg, Best Dissertation Award from the American Accounting Association, and Graham and Dodd Scroll Award from the CFA Institute.

Professor Yoon earned his Doctorate from Harvard University and his master’s and bachelor’s from Northwestern University, where he served on the faculty for eight years. Prior to academia, he worked as an equities salestrader and a quant research analyst at Credit Suisse.

Research Interest
  • Corporate Sustainability
  • Corporate Governance
  • Investment Management
  • Chinese Capital Market
  • Green Finance
  • Accounting Standards Setting
Selected Publications
  • Do Auditors Understand the Implications of ESG Issues for their Audits? Evidence from Financially Material Negative ESG Incidents, with Daniel Aobdia, Journal of Accounting and Economics, 81(2), 101831, 2026;
  • Shareholder Value Implications of Supply Chain ESG: Evidence from Negative Incidents, with Guoman She, Haoran Zhu and Xuanpu Lin, Review of Accounting Studies, 30, 2185–2217, 2025;
  • Global vs. Local ESG Ratings: Evidence from China, with Jeff Zeyun Chen, Zengquan Li and Mao Ting, The Accounting Review, 100(4), 161–192, 2025;
  • Sell-Side Analysts’ Assessment of ESG Risk, with Min Park and Tzachi Zach, Journal of Accounting and Economics, 79(2–3), 101759, 2025;
  • Audit-firm Profitability: Determinants and Implications for Audit Outcomes, with Jeff Chen, Anastasios Elemes and Ole-Kristian Hope, European Accounting Review, 32(5), 1031–1063, 2023;
  • Analyzing Active Mutual Fund Managers’ ESG Performance: Evidence from the United Nations Principles for Responsible Investment, with Soohun Kim, Management Science, 69(7), 3878–3900, 2023;
  • Do High-ability Managers Choose ESG Projects that Create Shareholder Value? Evidence from Employee Opinions, with Kyle Welch, Review of Accounting Studies, 28(4), 1587–1623, 2023;
  • Stock Price Reactions to ESG News: The Role of ESG Ratings and Disagreement, with George Serafeim, Review of Accounting Studies, 28(5), 1960–1995, 2023;
  • Which Corporate ESG News does the Market React to?, with George Serafeim, Financial Analysts Journal, 78(1), 59–78, 2022;
  • The Role of Private Disclosures in Markets with Weak Institutions: Evidence from Market Liberalization in China, The Accounting Review, 96(4), 433–458, 2021;
  • Corporate Sustainability: First Evidence on Materiality, with Mozaffar Khan and George Serafeim, The Accounting Review, 91(6), 1697–1724, 2016;
Awards and Honours
  • 2024 Best Paper Award, Fox and Haskayne Conference.
  • 2023 Best Paper Award, Chinese Accounting Professors’ Association of North America Conference.
  • 2023 Responsible Business Education Award, Financial Times.
  • 2023 Best Paper Award, University of York SMIF-UK Conference.
  • 2023 Graham and Dodd Scroll Award, CFA Institute.
  • 2021 Best 40 Under 40 MBA Professors Award, Poets & Quants.
  • 2021 Deloitte Research Award, Korean Accounting Association.
  • 2020 Crowell Prize for Best Paper on Quant Investing, PanAgora Asset Management.
  • 2020 Chair’s Core Teaching Award, Northwestern Kellogg.
  • 2019 Outstanding Dissertation Award, American Accounting Association (International Section).
  • 2019 Best Reviewer Award, Journal of International Accounting Research.