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Adrian Cloer

Since September 2008 Adrian Cloer is Holder of the Chair of Business Taxation, International Tax Law and Auditing at EBS Business School.

After obtaining a diploma in Economics in December 1996 he completed the first state examination in January 1999 in Brandenburg. He passed his legal traineeship among others at the Fiscal Court Brandenburg and in a law firm in Poznan (Poland). After the second state examination in May 2001, he worked as a research assistant in Hamburg (Department of Financial and Tax Law, Univ.-Prof. Dr. Jachmann) and in 2002 and 2003 in Frankfurt / Oder (Department of General Business Administration, esp. Business Taxation and auditing, Univ.-Prof. Dr. Kudert).

From April 2004 to February 2006, he worked in a southern German tax consulting firm in the field of international tax law. In March 2006 he moved to the Berlin branch of a so-called Big4 auditing company. From 2012 to 2014 he worked in Prague, Czech Republic. Since 2016 he operates as partner of the international auditing company Mazars, where he continues to work in the field of cross-border transaction advice to safeguard the practical relevance. In July 2006 he received a doctorate rer. pol. In March 2007 he passed the tax consultant exam in Berlin.

Since 2004 Prof. Cloer teaches as a lecturer for German, international and European tax law at the European University Viadrina in Frankfurt (Oder). In July 2007 he was appointed Honorary Professor of Business Taxation and Tax Law at the economic and law faculty. He is also a lecturer at Bundessteuerkammer, Deutsches Wissenschaftliches Institut der Steuerberater, Steuerberaterverband Berlin-Brandenburg as well as Bundesfinanzakademie where he trains accountants for higher qualification in international tax law.

Prof. Cloer is member of the following profession organizations and chambers:


Interests of German and International Tax Law:

German-Polish Association of Lawyers:

Association of Accounting Lecturers:

Areas of Research

Prof Cloer’s practical and academic focus is related to the international and European tax law, the investment and investment tax law, tax law in Central and Eastern Europe as well as property-specific issues. These interests are reflected in a variety of specialized publications.

Head of



Bachelor in Business Studies (BSc)


  • Grundlagen des Bilanz- und Steuerrechts
  • International Tax Planning and International Accounting
  • Kosten- und Leistungsrechnung für Juristen
  • Bachelor in Business Studies (BSc)
    +49 611 7102 1220
    +49 611 7102 10 1220
    Gustav-Stresemann-Ring 3
    65189 Wiesbaden
    Room: Raum 2028