Marcin Mauer is on the board of Polimex-Mostostal SA, Grupa Azoty SA and ORLEN Asfalt Ceská republika sro and Member-Management Board at ORLEN Centrum Uslug Korporacyjnych Sp zoo.

He received an undergraduate degree from Vistula University, a graduate degree and a doctorate from Apsley Business School, a graduate degree from the University of Warsaw, a graduate degree from Wyzsza Szkola Menedzerska w Warszawie and a doctorate from Collegium Humanum.