He has earned his B.S. in Business Administration in Business Administration at the University of California, Berkeley and has received his Ph.D. in Accounting from Columbia University in the City of New York. His research interests include corporate ethics and corporate social responsibility. Prior to his academic career, he has worked for Daewoo Securities, Ernst & Young, and Morgan Stanley. He also serves as a researcher at the Center for Corporate Social Responsibility at KAIST and at Merry Year Foundation. His recent research include studies that investigate the benefits and the costs of internet, violent computer games, and electronic information.