Mariusz Zawisza graduated from the Faculty of Economics of the Maria Curie-Skłodowska University in Lublin. He completed a post-graduate programme in Management Accounting and Business Controlling at the Lublin University of Technology, and a post-graduate course in International Accounting Standards and International Financial Reporting Standards at Kozminski University in Warsaw. He holds a Master of Business Administration degree from the University of Central Lancashire in Preston, gained on completion of a programme run by the Lublin Business School.
For over eighteen years, Mr Zawisza has held various managerial positions, including (chronologically, from 1996 to 1999) Head of the Economic and Marketing Research Department, Head of the Quality Assurance Department, and Head of the Controlling Department at Zakłady Remontowe Energetyki Lublin S.A. From 1999 to 2001, he worked at Lubelskie Zakłady Przemysłu Skórzanego Protektor S.A. as Head of the Economic Research and Controlling Department and as Chief Economist.
Between 2001 and 2004, Mr Zawisza served as CFO and member of the Management Board of Instal Lublin S.A., and then, from June 2004 until June 2006, as member of the Management Board for finance at MPWiK w m. st. Warszawa S.A. From 2006 to 2007, he was member of the Management Board, CFO and President of the Management Board of Lubelskie Zakłady Energetyczne LUBZEL S.A. From July 2007 until
August 2010, he served as President of the Management Board of PGE Dystrybucja Lubzel spółka z o.o., and from January 2010 to December 2013, as President of the Management Board of PGE Dystrybucja S.A.
He has sat on the Supervisory Boards of Elektrociepłownia Lublin Wrotków, EPC S.A., Exatel S.A., PGE Systemy S.A., and others.
With effect from January 1st 2014, Mr Zawisza has been appointed President of the Management Board of PGNiG SA.