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Johanna Hey is Professor of Tax Law and Public Law and Director of the Institute of Tax Law at Cologne University, Germany.
She studied Law at the University of Würzburg and in Cologne and in 1996 received her Doctor Juris (Ph.D. equivalent) at the University of Cologne. Her Ph.D. thesis was awarded the German Tax Law Association´s Albert Hensel medal. She gained her qualification to be called to a professorship (Habilitation) with her award-winning post-doctoral research thesis on Certainty in Tax Planning in 2001, also at the University of Cologne.
Before taking up her professorship in Cologne she held the Chair for Business Taxation at Düsseldorf University in Germany from 2002 to 2006. She has also taught at the University of Münster in Germany and at Leuven/Tilburg University in Belgium/Netherlands. In 2007 she was attached to NYU Law School as Senior Emile Noël Fellow and was appointed as Global Professor in spring term 2015.
She has been a member of the Advisory Board of the German Ministry of Finance since 2004 and Research Director of the Institute for Finance and Taxation in Berlin (a non-profit research institute founded by commerce and industry in Germany) since 2010. She has chaired the Scientific Council of the German Tax Law Association since 2011 and is a member of the Scientific Advisory Board of the Centre for European Economic Research in Mannheim.
Johanna Hey is editor in chief of a leading legal commentary on German personal and corporate income taxation. In 2015 she was appointed editor in chief of the highly rated research-oriented tax law journal Steuer und Wirtschaft, and she is on the editorial board of several other German tax journals.