Mr. Mariusz Cholewa is a graduate of the University of Gdańsk, the Faculty of Management. In 2005 he obtained his PhD Degree in Economics. He also completed postgraduate studies in Banking and Finance, with the specialisation in Investment Banking, conducted by the London Guidhall University, the Gdańsk Banking Academy and the University of Gdańsk.

In the years 1993-1998 he cooperated with the Gdańsk Banking Academy, as a Management Board member, participating at the same time in the research on the financial restructuring of enterprises and banks pursued by the Gdańsk Institute of Market Economics. In the years 1995-2003 he was an associate professor at the Faculty of Management at the University of Gdańsk.

In the period of 2007-2010 he was the CEO of Bank Rozwoju Cukrownictwa S.A. In 1998 Mariusz Cholewa joined Bank Handlowy w Warszawie S.A. (Citi Handlowy), where he held a number of managerial positions, and till April 2013 he was the Director of the Strategy Department. He was a member of supervisory boards of many companies for e.g.: banks, investment and insurance companies including public granted companies. In the years 2012-2013 he was a member of Biuro Informacji Kredytowej S.A. Supervisory Board.

He has been the President of the BIK Management Board since June 2013. He is also the President of the Supervisory Board of BIG InfoMonitor S.A. – Economic Information Bureau.

Since May 2020 he has been the President of the Management Board of ACCIS, the voice of organisations responsibly managing data to assess the financial credibility of consumers and businesses.