Frode Steen has been a professor since 2004. Presently he is the holder of NHH’s NorgesGruppen-professorship in Competition Economics on grocery Markets. He has since 2005 been a research fellow in the Centre for Economic Policy Design (CEPR). He is also a permanent member of the Norwegian Competition Tribunal. He received his PhD degree from NHH in 1995, and he has an MA in Economics from the University in Bergen from 1991. He is working in the field of econometrics and empirical Industrial Organization, and have undertaken studies of several industries and markets; telecom/media, cement, shipping, airline, gasoline, grocery, salmon etc. The last ten years he has focused in particularly on grocery-, gasoline- and airline markets. A primary interest in his work is related to market power, cartels and their functioning. His research publications have appeared in journals as e.g., American Economic Review, The Economic Journal, American Economic Journal: Microeconomics, European Economic Review and Scandinavian Journal of Economics. He has an extensive experience as external competition expert in sector specific regulation and competition cases both in Norway and outside Norway. This involves written and/or oral testimonies in several competition policy cases, involving cartel overcharge estimations, predatory pricing, and merger control and regulation matters in court in several countries. He has also been involved in a number of private litigation cases, estimating competitive- or regulatory damage.