Najlepsza spółka
indeksu sWiG80 2018 roku


Ph.D. Michał Michalski

President of the Management Board of Polenergia SA, CEO

  • Since 2012 in Polenergia Group. Currently he supervises the Division of Development Projects, responsible for investments in wind energy sector, as well as the Legal and Administration Divisions in Polenergia Group.
  • He has been working with the Kulczyk Investments Group since 2001. He supervised, participated and managed investment projects in oil&gas and energy sectors.
  • A graduate from Poznan University of Economics (Foreign Trade) and he gained post graduate degrees "Executive Studies in Finance" at SGH. Since 2001 he holds a Ph.D. in Economics ("The theory of enterprise value for shareholders")

Jarosław Bogacz

Member of the Management Board of Polenergia SA

  • In 2019, he joined the Polenergia Group, where he performs the function of the Chairman of the Board of Polenergia Obrót.
  • He has been working in the field of electric utilities for 20 years. In the years 2005 to 2019 he performed the functions of the Wholesale Market Director for the EDF Group in Poland as well as the Business Development Director for the ENGIE Group in Poland. In the years 2015 and 2016 he was the Advisor to the Minister of Economy for renewable energy and the first Chairman of the Renewable Energy Settlement Operator (OREO).
  • He is a member of the Association of Energy Trading (TOE), the Polish Power Plants Association, in 2019 he was a Member of the Board and Member of the Polish Association of Commercial Heat and Power Plants (PTEZ).
  • He is a graduate of the faculty of electric engineering of the Silesian University of Technology in Gliwice, he completed his doctoral studies in 2019.


Tomasz Kietliński

Member of the Management Board of Polenergia SA, CFO

  • Tomasz Kietliński has been associated with the Polenergia Group since 2011. Since 2017 he has been Director of Corporate Finance and Controlling Department and is responsible for investor relations. In the previous years he managed the work of the Corporate Finance Department. In his current role he is responsible for the function of financial planning and management reporting in the Group. He has also conducted many processes of obtaining debt financing and participated in numerous M&A transactions.
  • Before joining Polenergia, he gained professional experience in PwC where he specialized in advising on financial risk management for the largest financial institutions and enterprises in Poland and auditing the financial statements of leading companies in the financial sector.
  • He graduated from the Warsaw School of Economics with a degree in Finance and Banking. He completed Canadian Executive MBA studies organized by the University of Quebec at Montreal and the Warsaw School of Economics, as well as postgraduate studies in risk management of financial institutions. He holds an AMCT degree and is a member of the Association of Corporate Treasurers in the UK.


Piotr Maciołek

Member of the Management Board of Polenergia SA

  • Since April 2016, Piotr Maciołek has held the position of Chief Operating Officer at Polenergia Group and is responsible for running, maintaining and operating all operational projects within the Group. Previously, in the years 2008-2016, he was responsible for the development and operation of industrial and conventional power engineering projects in Polenergia Group and PEP Group. In 2004 - 2008, he was responsible for finances of the largest biomass industrial power engineering project implemented by PEP Group at the Mondi paper mills in Świecie.
  • Before joining the PEP Group, he worked in the Operations Department in the IT Division of Telekomunikacja Polska (2003-2004) and was a financial controller in Sony Music Entertainment Polska (1998-2002). Previously he also worked in the sales department of Master Foods Polska (1996-1997).
  • Piotr Maciołek received his master's degree at the Faculty of Management of Warsaw University in 2000. In 2001 he received an MBA from the University of Minnesota as part of the WEMBA program run by the Warsaw School of Economics and the University of Minnesota.


Iwona Sierżęga

Member of the Management Board of Polenergia SA

  • Mrs Iwona Sierżęga has so far fulfilled the duties of the President of the Management Board and the General Director of Nowa Szarzyna Power Plant forming part of the Polenergia Group. She has been one of the few women managing the company in the power and energy sector in Poland for many years.
  • Mrs Iwona Sierżęga has worked in Polenergia Nowa Sarzyna Power Plant Sp. z o.o. for twenty years. She participated in design and construction of 116 MW gas block and organised the structures and operation of the expanded plant. Moreover, she managed the company financial team as the Financial Director and the Management Board member.
  • From 2011 until 2018 she acted as the President of the Management Board of the Nowa Szarzyna Power Plant. Since 2013 Ms. Sierżęga has been the member of the board of Polish Society of Power Plants.
  • Currently she holds a position of Member of the Management Board overseeing the Operational and Maintenance of Assets Division in Polenergia Group.
  • She graduated from the Cracow University of Economics, finance and banking faculty and completed postgraduate studies in accounting and obtained MBA at the Stockholm University of Business.
  • In the years 2011, 2013 and 2015 she was appointed as one among "Top 100 Business Women" prestigious ranking organised by Puls Biznesu newspaper.