Georg Kofler, professor at the Institute for Austrian and International Tax Law, WU (Vienna University of Economics and Business).

Michael Lang, professor and Head of the Institute for Austrian and International Tax Law, WU (Vienna University of Economics and Business).

Alexander Rust, professor at the Institute for Austrian and International Tax Law, WU (Vienna University of Economics and Business).

Jeffrey Owens, professor at the Institute for Austrian and International Tax Law, WU (Vienna University of Economics and Business) and Head of the Global tax policy center at the Institute for Austrian and International Tax Law, WU.

Pasquale Pistone, professor at the Institute for Austrian and International Tax Law, WU (Vienna University of Economics and Business), full professor at the University of Salerno, Italy, and Academic Chairman IBFD.

Josef Schuch, professor at the Institute for Austrian and International Tax Law, WU (Vienna University of Economics and Business).

Karoline Spies, professor at the Institute for Austrian and International Tax Law, WU (Vienna University of Economics and Business).

Claus Staringer, professor at the Institute for Austrian and International Tax Law, WU (Vienna University of Economics and Business).

Rita Szudoczky, associate professor at the Institute for Austrian and International Tax Law, WU (Vienna University of Economics and Business).

Peter Essers, professor of tax law at the Fiscal Institute Tilburg of Tilburg University, the Netherlands, chairman of the Tax Law Department of the Fiscal Institute of Tilburg University and member of the board of the European Tax College.

Eric C.C.M. Kemmeren, professor of international tax law and international taxation at and chairman of the Tax Economics Department of the Fiscal Institute Tilburg of Tilburg University, the Netherlands, and member of the board of the European Tax College.

Cihat Öner, associate professor at the Fiscal Institute Tilburg of Tilburg University, the Netherlands. Daniël S. Smit, professor at the University of Amsterdam, the Netherlands.