Academic Advisory Board (Germany)

Prof. Jürgen Brandt

Jürgen Brandt has been President of the German Finance Court Conference since 2003 and regularly participates as an expert in hearings before the Finance Committee of the German Bundestag on current tax legislation projects. From January 2000 to April 2019 he was a judge at the Federal Fiscal Court and was a member of the VIIIth Senate, which is responsible in particular for the taxation of income from self-employment and capital assets. He was previously a judge at the Düsseldorf Finance Court.

Jürgen Brandt is also an honorary professor at the Bergische Universität Wuppertal. His research focuses on income tax law, value added tax law, tax procedure and procedural law, European tax law as well as administrative and administrative procedural law. He is co-editor and author of several commentaries on income tax and procedural law.

Prof. Dr. Klaus-Dieter Drüen

Klaus-Dieter Drüen holds the Chair of German, European and International Tax Law and Public Law at the Ludwig Maximilian University Munich since October 2015. Since 17 May 2010 he has also been a judge at the Düsseldorf Finance Court in the second main office (Corporate Tax Senate). From 2007 to September 2015 he held the Chair of Corporate Tax Law, Accounting Law and Public Law at the Faculty of Law of the Heinrich-Heine-University Düsseldorf.

Klaus-Dieter Drüen is a member of the board of the Münchner Steuerfachtagung e.V., the Arbeitsgemeinschaft der Fachanwälte für Steuerrecht e.V. as well as deputy chairman of the German Tax Law Society and a member of the Vereinigung der Deutschen Staatsrechtslehrer, the International Fiscal Association (IFA) and the European Association of Tax Law Professors (EATLP).

Prof. Dr. Joachim Englisch

Joachim Englisch is Professor of Public Law and Tax Law and Director of the Institute of Tax Law at the Westfälische Wilhelms-Universität Münster. He previously held the Chair of Tax Law, Finance Law and Public Law at the University of Augsburg from 2008 to March 2010. His research focuses on constitutional tax law, international and European tax law with a focus on corporate tax law, as well as VAT law.

Joachim Englisch has held various guest professorships at home and abroad since 2007 and is a member of the OECD WP9, the VAT Experts Group of the EU Commission and the Scientific Advisory Board of the German Tax Law Society.

Prof. Dr. Dr. h.c. Lars P. Feld

Lars P. Feld has held the Chair of Economic Policy and Ordnungsökonomik at the Albert-Ludwigs-Universität Freiburg since 2010 and is Director of the Walter Eucken Institute. His research focuses on economic policy, finance, new political economy and economic analysis of law.

Lars P. Feld has been a member of the Scientific Advisory Board of the BMF since 2003. In 2007, he was appointed expert for the Commission of the Bundestag and Bundesrat on the Modernisation of the Financial Relations of Federation and Federal States (Federalism Commission II) and participated in an advisory capacity in the new German debt brake. In January 2020, he was appointed as a scientific member of the Minimum Wage Commission. He was a member of the German Council of Economic Experts from 2011 to 2021, as well as Chairman in the final year, and represented the Council on the Independent Advisory Board of the Stability Council from 2013 to 2021. In February 2022, he was appointed “Personal Representative of the Federal Minister of Finance for Macroeconomic Development” by Federal Finance Minister Christian Lindner.

Prof. Dr. Dr. h.c. Holger Fleischer, LL.M.

Holger Fleischer has been Director at the Max Planck Institute for Comparative and International Private Law in Hamburg since April 2009. His research focuses on corporate and capital markets law, commercial law including accounting law, legal economics, comparative law and methodology. He is (co-)editor and author of various handbooks and commentaries on stock corporation, limited liability and capital market law as well as various professional journals.

Holger Fleischer is a member of the Informal Company Law Expert Group at the European Commission and the European Institute for Corporate Governance in Brussels as well as a member of the Académie Internationale de Droit Comparé in Paris.

Prof. Dr. Dr. h.c. Clemens Fuest

Clemens Fuest has been President of the ifo Institute – Leibniz Institute for Economic Research at the University of Munich – since April 2016, Director of the Center for Economic Studies (CES) and Professor of Economics and Finance at the Ludwig-Maximilians-University Munich and Managing Director of CESifo GmbH. His work focuses on economic and financial policy, international taxation, tax policy, transfers and labour markets, and European integration.

Clemens Fuest has been a member of the Scientific Advisory Board of the German Business Council since 2019, since 2014 amongst others, member of the Advisory Board of the Stability Council and the “High Level Group on Own Resources” (Monti Commission) of the European Union, since 2009 Board Member of the International Institute of Public Finance and since 2014 its Vice President, since 2008 member of the Independent Expert Group to the Royal Commission on Scottish Devolution and since 2003 member of the Scientific Advisory Board of the Federal Ministry of Finance, of which he was Chairman from 2007 to 2010. He was also a member of the Minimum Wage Commission of the Federal Republic of Germany from 2015 to 2019.

Prof. Dr. Markus Gehrlein

Markus Gehrlein was a judge at the Federal Supreme Court from 2003 until 31 December 2020. During this time, after working at the II. Civil Senate, which was primarily responsible for corporate law, he was a member of the IX.

Civil Senate in 2007, which is responsible in particular for insolvency law as well as attorney and tax consultant liability. In 2005 he was appointed honorary professor by the University of Mannheim.

Markus Gehrlein is a member of the editorial board of ZInsO and co-editor of the NZI. In addition to numerous essays, Gehrlein has written books on medical malpractice liability, attorney liability, GmbH law and insolvency law. He is author and co-editor of commentaries on the ZPO, the BGB, the HGB, the GmbHG, the InsO as well as a large commentary on the AktG and is active as a speaker in advanced training events.

Prof. Dr. Mathias Habersack

Mathias Habersack is Chair of Civil Law and Corporate Law at the Ludwig Maximilian University Munich since April 2011. His research focuses on corporate law, stock corporation law and capital market law. He is (co-)editor and author of various handbooks and commentaries as well as a member of the editorial board of the journal “Zeitschrift für das gesamte Handelsrecht und Wirtschaftsrecht” and of the journal “Die Aktiengesellschaft”.

Mathias Habersack is a member of the permanent deputation of the Deutscher Juristentag e.V. (from 2016 – 2022 chairman of the permanent deputation and thus president of the 72nd DJT in Leipzig and the 73rd DJT in Bonn), member of the “Fachkollegium Rechtswissenschaften der Deutschen Forschungsgemeinschaft”, of the “Arbeitskreis Wirtschaft und Recht im Stifterverband für die deutsche Wissenschaft”, of the board of the “Vereinigung für Gesellschaftsrecht”, and of the board of trustees of the “Bankrechtliche Vereinigung”.

Prof. Dr. Katja Langenbucher

Katja Langenbucher has held the Chair of Civil Law, Commercial Law and Banking Law at the House of Finance of the Goethe University Frankfurt/M. since 2007. In 2008/2009, she also held the Alfred Grosser Visiting Professorship at Sciences Po in Paris and has been a permanent visiting professor there ever since. Other stays abroad have so far taken her to the Sorbonne, Columbia University, the London School of Economics, the Vienna University of Economics and Business Administration and Fordham Law School.

Katja Langenbucher is a member of the board of the Bankrechtliche Vereinigung, a board member and funding committee member of the Business and Law Working Group of the Stifterverband für die Deutsche Wissenschaft, a member of the board of directors of BaFin and the Fondation Nationale des Sciences Politique, as well as a member of the Center for AI and Digital Policy-Global Academic Network and the EU Commission’s High Level Forum on the Capital Markets Union.

Prof. Dr. Martin Henssler

Martin Henssler is a university professor and has been Executive Director of the Institute for the Law of the Bar, the European Center for Liberal Professions and the Documentation Center for European Law of the Bar and Notaries at the University of Cologne since 1991. Between 1998 and 2022, he was also Executive Director of the Institute for Labor and Commercial Law. As part of his university activities, he was Dean of the Cologne Faculty of Law for several years.

Martin Henssler is an expert witness in the German Bundestag and the European Parliament and has held the offices of President of the German Lawyers’ Conference and Chairman of the Board of the Civil Law Teachers’ Association. He is also a member of expert committees and scientific advisory boards. He was honored with the Federal Cross of Merit for his commitment to legal policy and was awarded the Medal of Honor of the German Bar by the German Bar Association for his services in connection with the reform of the Federal Code of Conduct for Lawyers, which will come into force in 2022.

Prof. Dr. Ekkehart Reimer

Ekkehart Reimer has held the Chair for Public Law, European and International Tax Law since 2005 and has been Director of the Institute for Financial and Tax Law at the Ruprecht-Karls-Universität Heidelberg since 2006. His research focuses on double taxation treaties, European tax law and the federal financial constitution. From 2009 to 2013 he was also a part-time judge at the Administrative Court of Baden-Württemberg.

Ekkehart Reimer is a member of the Academic Advisory Board of the German Tax Law Society (DStJG), the Association of German State Law Teachers, the German Society for International Law (DGIR), the International Fiscal Association (IFA), the European Association of Tax Law Professors (EATLP), and the Academic Working Group on Tax Law of the DWS Institute.

Prof. Dr. Robert Risse

Robert Risse, attorney at law and graduate finance administrator, has been teaching the Master’s course Digitalization & Tax Law (LL.M.) at the Institute for Austrian and International Tax Law at the Vienna University of Economics and Business Administration since May 2020. Since August 2017 he is also honorary professor for tax compliance and application-oriented tax planning at the chair of business taxation at the University of Leipzig. He is on the board of the Rhine-Ruhr Discussion Group of the International Fiscal Association (IFA) West and a member of the Finance and Tax Committee of the DIHK (Berlin) as well as the Tax Committee of the German Chemical Industry Association.

Robert Risse headed the tax and customs department of Henkel AG & Co. KGaA from January 2000 to May 2020. Prior to this, he was Head of the Tax and Risk Management Department of Deutsche Post AG from 1997 to 1999, responsible for the tax department of Mannesmann AG from 1991 to 1996 and Head of Department at Kaufhof Holding AG from 1989 to 1990.

Prof. Dr. Roman Seer

Roman Seer has held the Chair of Tax Law and the Director of the Institute for Tax Law and Tax Execution at the Ruhr University Bochum since October 1996. He is co-editor of the book “Tipke/Lang, Steuerrecht” and comments in “Tipke/Kruse, Abgabenordnung /Finanzgerichtsordnung” as well as in “Bonner Kommentar zum Grundgesetz”. Since 2004 he has been publishing the “Bochumer Schriften zum Steuerrecht” (Bochum Publications on Tax Law).

Roman Seer has held the chair of Berliner Steuergespräche e.V. since February 2012 and is a board member of the DWS Institute. He is also a member of the board of the “Gesprächskreis Rhein-Ruhr Internationales Steuerrecht e.V.” and a member of the scientific advisory board of the German Tax Law Society, the “Fachinstitut der Steuerberater e.V.”, the European Association of Tax Law Professors (EATLP), the International Fiscal Association (IFA), the Academic Committee and the “Vereinigung der Deutschen Staatsrechtslehrer”.