Professor Aaron Seokhyun Yoon teaches Financial Accounting (ACCT 430) to Kellogg MBA students. 

He is interested in how to account for and quantify a firm's Environment Social Governance (ESG) efforts and integrate the information into portfolio decision making process. According to the Financial Times, his research on ESG was a turning point on how investors viewed and integrated ESG information and the methodologies suggested in his research have been widely implemented by asset owners and investment managers. 

He has presented his research to academics, regulators, and practitioners around the World and his work has been regularly cited in outlets such as Barron's, Bloomberg, Financial Times, Forbes, The New York Times, and The Wall Street Journal. He also received multiple awards for his research and teaching, including the Chair's Core Teaching Award from Kellogg, Crowell Prize for Best Paper in Quantitative Investing from PanAgora Asset Management, Best 40 Under 40 Professors Recognition from Poets & Quants, and the Best International Accounting Dissertation Award from the American Accounting Association. 

Professor Yoon earned his Doctor of Business Administration from Harvard University; he also earned his masters in Economics and bachelors in Economics and Mathematical Methods in the Social Sciences (MMSS) from Northwestern University. Prior to academia, he worked as an equities salestrader and research analyst at Credit Suisse, and also controlled air traffic in the 8th US Army as a Korean augmentee.