Professor at SGH Warsaw School of Economics, Professor of Law (speciality: European law) and Doctor of Economics (speciality: strategic management). Advocate, Head of the Institute of Law of the SGH Warsaw School of Economics, Professor of the Cardinal Stefan Wyszyński University in Warsaw, specialist in the scope of regulating the decision-making process in the EU and Poland as well as lobbying, Community economic law (including consumer protection law, competition law, and technical harmonisation law) and the economic analysis of law. On 1st April 2013, he was appointed as the Undersecretary of State for Legal and Treaty Issues at the Ministry of Foreign Affairs. Author of over 200 scientific publications in Poland, the USA, France, Russia, Moldova, Denmark, and Ukraine, including 7 books.