Corporate Website

The company’s governing bodies

The company’s governing bodies

Management Board

Jerzy Zań

President of the Polenergia S.A. Management Board
CEO (Chief Executive Officer)

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He has nearly 25 years of experience in finance and banking, where he held key positions related to business development and management as well as financial operations. From 2019 to 2023, he was the Vice-President of the Management Board of Bank Ochrony Środowiska, which specializes in financing green investments, with particular emphasis on renewable energy sources. A graduate of the Warsaw School of Economics in the field of Finance and Banking. He graduated from the Carlson School of Management Executive MBA at the University of Minnesota, conducted in cooperation with the Warsaw School of Economics.

Andrzej Filip Wojciechowski

Vice-President of the Polenergia S.A.
Management Board

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He graduated from the Higher School of Commerce and Law (now Lazarski University) and MBA studies at the Carlson School of Management at the University of Minnesota, conducted in cooperation with the Warsaw School of Economics. He started his career at the National Bank of Poland as an associate of Prof. Leszek Balcerowicz. He specializes in business transformations, in particular building strategies aimed at increasing value, managing the implementation of key growth factors, changing business models, building financing, crisis management, as well as building and developing teams. He gained experience in European companies operating in various industries.

Piotr Maciołek

Member of the Polenergia S.A. Management Board
CCO (Chief Commercial Officer)

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He has been associated with Polenergia Group for nearly 20 years. From 2004-2008, he was responsible for finance and customer relations for Poland's largest biomass industrial energy project – implemented by Polish Energy Partners at the Mondi Świecie paper mill. From 2008-2016, he was responsible for the industrial energy segment, first at Polish Energy Partners and then at the Polenergia Group. In the years 2016-2023, as the Chief Operating Officer (COO), he was responsible for the operations and maintenance of all operational energy projects in the Group. In 2020, he was appointed to the Management Board of Polenergia S.A. Since 2023, he has been working as Chief Commercial Officer (CCO), responsible for the commercialisation of electricity and other elements of the Polenergia Group's market offer. He gained many years of operational experience in Telekomunikacja Polska, Sony Music Entertainment Polska and Master Foods Polska. He is a Management graduate of the University of Warsaw. In 2001, he obtained an MBA from the University of Minnesota in the WEMBA programme run by the Warsaw School of Economics and the University of Minnesota.

Iwona Sierżęga

Member of the Polenergia S.A. Management Board
COO (Chief Operating Officer)

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She has been active in the energy industry for almost 25 years. From 2006 to 2018, she served as CFO and then CEO – as well as General Manager – of the 116 MW gas-fired combined heat and power plant in Nowa Sarzyna. The unit was owned by the US corporations Enron / Prisma Energy/ Ashmore Energy International and, in 2011, was acquired by the Polenergia Group. In 2019, she was appointed as a Member of the Polenergia S.A. Management Board and Head of the Clean Fuels and Environmental Division. There, she develops innovative hydrogen projects and carries out sustainable business development activities there. Since 2023, she has served as COO and is responsible for leading, maintaining and utilising all operational projects such as photovoltaic farms, onshore wind or the gas-fired cogeneration plant in Nowa Sarzyna. She is graduate of the University of Economics in Kraków (in Finance and Banking) and has a postgraduate in Accounting in addition to an MBA from the Stockholm University of Business.

Supervisory Board

Dominika Kulczyk

Supervisory Board Chairperson

She graduated from the Faculty of Sinology and the Faculty of Political Science and Journalism at Adam Mickiewicz University in Poznań. She was educated in Shanghai, Beijing, at the Rockefeller Foundation and at the Bertelsmann Foundation. She has many years of experience working in statutory bodies of commercial law companies. She has been a member of the Supervisory Board of Kulczyk Investments since 2013 and the Chairwoman of the Supervisory Board of Kulczyk Investments from 2015 to 2018. Co-founder of Values Group of Consulting Firms which conducts training on business psychology. In 2013-2016 she was Vice-president of the Polish Olympic Committee. Initiator of the Polish branch of the environmental organization Green Cross International. Originator and co-founder of the Kulczyk Foundation, a non-profit organization dedicated to providing assistance in Poland and around the world. She is a member of the Program Council of UN Global Compact Poland and an Ambassador of SOS Children's Villages in Poland. She is a member of Young Leaders for Tomorrow, a global initiative grouping together young leaders. In 2018, she was awarded with the Order of the Smile.

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Thomas Joseph O’Brien

Supervisory Board Vice-Chairman

Tom O’Brien is a Managing Partner and Chief Executive Officer of Brookfield’s Renewable Power Group, responsible for leading and developing the European business.
Mr. O'Brien joined Brookfield in 2014, following the acquisition of Bord Gaís Energy’s Irish renewable power business and has since held a number of roles across the organization, most recently acting as Chief Financial Officer for the European renewable power business. Prior to joining Brookfield, Mr. O’Brien held senior commercial and financial roles across several organizations.
Mr. O’Brien is a Fellow of Chartered Accountants Ireland.

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Szymon Adamczyk

Supervisory Board Member

Szymon Adamczyk is a graduate of the Silesian University of Technology in Gliwice. He also completed postgraduate studies in management at the University of Economics in Katowice.
He started his professional career in 1992 in a company operating in the steel industry. Between 2000-2002 he was involved in the gas station construction industry in Poland. From 2002 to 2023, he developed, managed and supervised Alumetal SA, a company specializing in scrap recycling and production of aluminium alloys, primarily for the automotive industry.
Since 2018, he was or has been a member of the Supervisory Boards of many industrial companies, among others, in the recycling and metal production, agricultural, infrastructure and renewable energy sectors, including Polenergia S.A., Torpol S.A., U_Cont Sp. z o. o., Alumetal S.A., Feerum S.A..
He provides extensive advisory services to companies from the aluminium recycling and steel industry sectors.

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Orest Nazaruk

Supervisory Board Member

In 1997-2002 he worked for Arthur Andersen, first in the Audit Department responsible for audits of financial statements of banks and insurance companies, and then as a restructuring advisor for companies from the fuel and energy sector. Then, in 2002-2004, he worked for the Ministry of the State Treasury as Deputy Director of the Restructuring and State Aid Department, where he was responsible for preparing sectoral restructuring programs and exercising owner supervision over companies from the gas and fuel and energy sectors. In 2004-2006 Orest Nazaruk participated in the establishment and was a member of the first Management Board of Gas Transmission Operator Gaz-System. Subsequently, in 2006-2015, he worked at the following companies: Selbud Inwestycje, PGNiG Energia, PGNiG Technologie, where he held the positions of President, Member of the Management Board for Finance and Trading, and Management Board Proxy for Strategy and Restructuring. He was a member of numerous supervisory boards of companies in the gas, fuel and energy sectors (among others: Polish Power Exchange, Anwil, PKN Orlen, Mazowiecka Spółka Gazownictwa, Elektrociepłownia Stalowa Wola).
He graduated from the Faculty of Management at the University of Warsaw majoring in risk management on futures markets. He completed a number of training courses abroad, including on international accounting standards, strategic management, corporate restructuring, risk management with the use of derivatives in the gas and energy industry.

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Ignacio Paz-Ares Aldanondo

Supervisory Board Member

Ignacio Paz-Ares Aldanondo is a senior vice-president in Brookfield's Renewable Energy Group, leading the team responsible for investment origination, analysis and execution across Europe. Mr. Paz-Ares Aldanondo joined Brookfield in 2015 and has held a number of investment roles in Brookfield's Renewable Energy Group in Europe. He has held his current role since 2019. Prior to joining Brookfield, Mr. Paz-Ares was an investment banking analyst at Citi. Mr. Paz-Ares Aldanondo holds a law and business studies degree from Universidad Autonoma de Madrid.

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Emmanuelle Rouchel

Supervisory Board Member

Emmanuelle Rouchel has over twenty years of experience as a legal counsel. She joined Brookfield in 2015 and is senior vice-president and general counsel in Brookfield's European Renewable Energy Group. Prior to joining Brookfield, Emmanuelle Rouchel was senior counsel in the international upstream oil and gas sector. She began her career at Sullivan & Cromwell in New York, where she worked on cross-border M&A and capital markets transactions.
She completed postgraduate studies in law from Columbia University, where she was a Fulbright and Harlan Fiske Stone scholarship holder, studies at Université Paris II Panthéon-Assas, as well as economics studies at the École Supérieure de Commerce de Paris (ESCP) in Paris. She is an English solicitor and has also been admitted to the bar in New York and Paris.

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prof. Krzysztof Obłój

Supervisory Board Member

Professor Krzysztof Obłój is a university teacher at the Faculty of Management at the University of Warsaw and at the Kozminski University. He has been a lecturer at international business schools, including the American Yale University, The University of Illinois Urbana-Champaign, Central Connecticut State University, Duquesne University, the Chinese Sun-Yat Sen University, the Norwegian Norvegian School of Management and Bodo Graduate School of Management, the French ESCP-EAP and Ecole Nationale des Pont et Chaussees, the British Henley Bussiness School and the Slovenian Bled School of Management. One of the world's most widely cited management specialists. He has extensive practical experience. He was the chairman and a member of supervisory boards of, among others, Orlen, Dwory SA, PZU SA, Agora SA, Eurobank SA, Alior Bank SA, IMPEL SA, AMBRA SA, Polmos Lublin SA, Prochem SA. He is an advisor to Polish and foreign companies.

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Jacek Głowacki

Supervisory Board Member

Jacek Głowacki was the President of the Management Board of Polenergia Nowa Sarzyna CHP Plant in 2001-2010 and 2019-2024. He was the President of the Management Board of Polenergia S.A., Managing Director, Member of the Management Board of Polenergia Holding S.àr.l and Polenergia International S.àr.l. in 2011-2019. In 2001, he was appointed General Director of Business Development at Prisma Energy – the company that acquired the Nowa Sarzyna CHP Plant (ENS). In 2006, after the acquisition of ENS by Ashmore Energy, he became the Vice President of the corporation for Central and Eastern Europe. One of the key experts supervising the liberalization of the energy sector in Poland. VicePresident of the Subcarpathian Hydrogen Valley, involved in the development of the green hydrogen production sector. A graduate of the AGH University of Science and Technology in Krakow, he also holds an MBA degree from the University of Chicago.

See biography

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