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Karl's research focuses on quantitative methods in finance. He applies numerical solution techniques to complex economic and financial models shedding light on relevant market issues and industry problems. He has published numerous research articles in international academic journals such as Econometrica, The Review of Economic Studies, The Journal of Finance, and The Review of Financial Studies, among others.

Before joining IMD, Karl held (tenured) faculty positions at the Kellogg School of Management and at the University of Zurich. He is passionate about teaching and has received numerous teaching awards at Stanford University and Kellogg, including the Walter J. Gores Award, Stanford‘s university-wide teaching award, and the L.G. Lavengood Professor of the Year Award at Kellogg.

Karl holds a Master's degree and a Ph.D. in Operations Research from Stanford University.


  • –present
    Professor of Finance, International Institute for Management Development (IMD)