He studied at the Faculty of Economics at the University of Lodz and completed a number of courses and trainings in economics and finance, including a course for investment advisors in 1993.
From 1997 Jacek Dauenhauer worked for Medicines S.A., then for Polska Grupa Farmaceutyczna S.A., where he served as Financial Director. In 2007 he was appointed Vice President of the Management Board of PGF S.A. He is currently Vice President of the Management Board of the holding company Pelion S.A. – transformed from PGF S.A.