Assistant professor finance Stanford (California) University, 1992—1996, associate professor finance, 1996—2000. Leon Cooperman professor finance and economics Columbia Business School, New York City, since 1999. Research associate National Bureau Economic Research, Cambridge, Massachusetts, since 1999.
Advisor Finance Engines, Palo Alto, California, since 1997. Member science council Tilburg University, since 2001, visiting scholar, 1996—1997, 1998, University Limburg, 1997, 98, International Monetary Fund, 1996. Consultant Price Waterhouse, 1997—1998, World Bank, 1993, 1994—1995, Catalyst Institute, 1994.
Technical advisor Nikko Securities, 1993—1995. Member economic research department Kredietbank, Belgium, 1986—1987. Board directors Finance Economics Network, member advisory board journal.
Presenter in field.
Contributor articles to professional journals. Associate editor Pacific Basin Finance Journal, 1997—2006, Journal Financial and Quantitative Analysis, 1998—2006, Emerging Markets Quarterly, 1997—2001, Review Finance Studies, 1996—2000, associate editor Journal Empirical Finance, 1993-1997. Journal Finance, since 2003.
Editor: Journal Empirical Finance, since 1998. Co-editor: Review Finance Studies, since 2008. Editor, reviewer journals in field, patentee pricing module for finance advisory system.