Leadership

Shiva Rajgopal

Shiva Rajgopal is the Vice-Dean for Research and the  Kester and Byrnes Professor of Accounting and Auditing at Columbia Business School. He has also been a faculty member at the Duke University, Emory University and the University of Washington. Professor Rajgopal’s research interests span financial reporting, earnings quality, fraud, executive compensation and corporate culture.  His research is frequently cited in the popular press, including The Wall Street Journal, The New York Times, Bloomberg, Fortune, Forbes, Financial Times, Business Week, and the Economist. He teaches fundamental analysis of financial statements for investors, managers and entrepreneurs and a PhD seminar on accounting regulation.

Key awards include 2006 and 2016 American Accounting Association (AAA) Notable Contribution to the Literature award, 2006 and 2016 Graham and Dodd Scroll Prize given by the Financial Analysts Journal, and the 2008, 2012 and 2015 Glen McLaughlin Award for Research in Accounting Ethics.  

He is the Departmental Editor of the Accounting track of Management Science.  He is also an Associate Editor at the Journal of Accounting and Economics and an ex-editor at Contemporary Accounting Research.  He was on the editorial board of The Accounting Review from 2003-2011.

Khaled N. Hamdy, PhD

Khaled N. Hamdy is the director of research and planning at Columbia Business School. Khaled manages a broad range of resources to facilitate the research activities of the faculty. Khaled earned an MBA (2006) with Distinction in Strategy and Finance from the NYU Stern School of Business, a PhD (2000) in Electrical Engineering from the University of Minnesota, an MSE (1990) in Electrical Engineering from the University of Michigan, and a BS (1988) with Honors in Electrical Engineering and Computer Science from the University of Colorado. The focus of his PhD research was using Fourier, wavelet, and statistical models to efficiently model audio signals for applications in compression and time-scaling.

Khaled has had a diverse career spanning corporate strategy, consulting, and research & development. After completing his MBA, he worked in the consultant in the telecom, media, and technology industries. He also worked in the Corporate Strategy group at Alcatel Lucent, where he developed growth, sales, and innovation strategies, built customer intelligence practice, and developed organizational strategies to improve innovation as new technologies are developed in Bell Labs. After his PhD, he worked at iBiquity Digital Corporation, where he applied his expertise in audio coding technology to the development of the HD Radio standard in the US.

Dan Mechanic

Dan Mechanic is the Director of Research Computing and a Lecturer in Computer Science and Business.  Dan's technical infrastructure and development experience spans from start-up to corporate and he enjoys applying Unix philosophy “hardware scarcity” solutions in today's high-performance computing environments to solve problems of “big data.”   Dan is responsible for our Research Computing infrastructure and delivering technical solutions to Business School researchers.  He holds a Master’s Degree in Computer Science from Columbia University and a Double-Bachelor's in Computer Science and Philosophy from the University at Buffalo.