Mr. Trzeciak is a graduate of doctoral studies at the Law and Administration Faculty of the University of Warsaw, of Postgraduate MBA Studies at the Warsaw School of Economics and of the Law and Administration Faculty and History Faculty of the University of Warsaw.
In the past, he held managerial and supervisory positions in numerous companies, including the function of President of the Management Board at Towarzystwo Ubezpieczeń na Życie Polisa Życie S.A., Sferia S.A., IT Polpager S.A. Currently he holds the positions of: Member of the Management Board of Sferia S.A., Member of the Management Board of Aero 2 Sp. z o.o. and Vice-Chairman of the Supervisory Board of Muzo FM Sp. z o.o. (formerly Radio PIN). He is also a member of elected bodies in professional organizations and chambers of commerce.