Dominik Jan Gajewski, Professor of law; Head of Tax Department SGH Warsaw School of Economics, Poland; Head of Centre for Analyses and Studies of Taxation SGH; he is a judge of the Supreme Administrative Court. From 2014 to 2016, he was a member of the Tax Law Advisory Board to the Minister of Finance (Poland). He has served as an expert for the European Commission in developing strategies to combat international tax avoidance and is an expert for Team Europe at the European Commission Representation in Poland. Author of over 230 scientific papers.