Prof. UEK Jan Byrski, PhD hab., serves as the Chair of the Supervisory Board at XTB since December 2021. Since 2011, Jan Byrski holds the position of Associate Professor at the Institute of Law at Uniwersytet Ekonomiczny w Krakowie, previously serving as an Assistant Professor in the Civil and Business Law Department. As a Partner and Attorney-at-Law at Traple Konarski Podrecki & Partners since 2004, Jan Byrski also contributes to various working groups, including those on Personal Data and Blockchain at the Ministry of Digitization, and is a member of the FinTech working group at the Polish Financial Supervision Authority since March 2017. Additionally, Jan Byrski is the Vice-President of the FinTech Committee at the Polish Chamber of IT and Telecommunications, a legal expert for the Polish Chamber of Insurance and FROB, and a member of the Advisory Board for IT in Administration. Educational qualifications include a Master of Law and a Doctor of Law from Jagiellonian University, along with advanced studies in German and Austrian law, culminating in a Doctor habilitated of Law in Public Business Law.