•Associate Dean for Planning and Budget, Korea University Business School, 2020-2022.

•Professor of Finance, Korea University, 2019-present.

•Finance Area Chair, 2017-2019.

•Associate Professor of Finance, Korea University, 2014-2019.
•Visiting Associate Professor, UCLA, 2015-2016.
•Academic Director, Finance MBA Program, Korea University, 2014-2015.
•Assistant Professor of Finance, Korea University, 2007-2013.
•Assistant Professor of Finance, University of Memphis, 2005-2007.

•IBRE Research Award, Korea University, 2009, 2013, 2014, 2017, 2020.
•Outstanding Article Award, Journal of Financial Research, 2009.
•Distinguished Paper Award, Korean Finance Association, 2015.
•Distinguished Paper Award, Korean Financial Management Association, 2008.
•Outstanding Teaching (Seok-tap) Award, Korea University, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018
•Korea University Business School MBA Teaching Award, 2015.
•Ayres Fellowship from ABA (American Bankers Association) Stonier Graduate School of Banking, 2007.

• A Decision Model for Advertising Expense: From the Perspective of the Blockholder’s Private Benefits (Journal of Commodity Science and Technology, June 2009)
• Private benefits : Ownership vs. control (Journal of Financial Research, December 2009; Outstanding Article Award for 2009)
• Dynamics of general purpose technologies in an open economy (Hitotsubashi Journal of Economics, December 2009)
• Pricing of private placements of equity (Asia-Pacific Journal of Financial Studies, February, 2010)
• An empirical examination of the parimutuel sports lottery market versus the bookmaker market (Southern Economic Journal, April 2010)
• The role of R&D and corporate governance in Korea: IT firms versus non-IT firms (Information Techonology and Management, March 2013)
• The impact of earnings guidance on information asymmetry (Journal of Business Finance & Accounting, January/Februay 2014)
• Block premium and shareholder litigation (Asia-Pacific Journal of Financial Studies, June 2014)
• Misunderstanding of the binomial distribution, market inefficiency, and learning behavior: Evidence from an exotic sports betting market (European Journal of Operational Research, May 2015)
• Corporate social responsibility, market competition, and shareholder wealth (Investment Analysts Journal, January 2016)
• Determinants of point redemption in loyalty programs: Implications for customer equity management (Journal of Business Research, September 2016)
• Corporate governance, product market competition, and stock returns: Evidence from the Korean market (Asian Business & Management, February 2017)
• Directors' and officers' liability insurance and firm value (Journal of Risk and Insurance, June 2018)
• The effectiveness of foreign debt in hedging exchange rate exposure: Multinational Enterprises vs. Exporting Firms (Pacific-Basin Finance Journal, Dec 2020)
• Bitcoin price manipulation: Evidence from Intraday Orders and Trades (Applied Economics Letters, Dec 2020)
• Underwriters' price support regulation and institutional investors' trading: The case of the putback option (Research in International Business and Finance, forthcoming)