The Management of Polimex Mostostal S.A.
Mr Piotr Andrusiewicz is an experienced executive in the energy sector. Since April 2024, he has served as President of the Management Boards of Enea Wytwarzanie and Enea Elektrownia Połaniec, where he was responsible for the strategic management of key power generation companies operating within Poland’s national power system.
He began his professional career at Elektrociepłownia Mielec, progressing from the position of Energy Engineer to Member of the Management Board responsible for Technical Operations. In this role, he oversaw plant operations, maintenance, investments, as well as development and environmental projects. Between 2013 and 2016, he served as Member of the Management Board for Technical Affairs at Enea Wytwarzanie, where he was responsible for delivering a programme aimed at adapting power generation units to environmental requirements and for integrating the generation business of the Enea Group. In 2017, representing Stal-Systems, he participated in the delivery of major power generation projects involving the construction of new generating units in Jaworzno and Opole. From 2018 to 2024, he served as President of the Management Board and co-owner of Enervigo sp. z o.o.
Mr Andrusiewicz is a Management Board Member of the Polish Power Plants Economic Association (Towarzystwo Gospodarcze Polskie Elektrownie). He was previously a member of the Polish Association of Professional Combined Heat and Power Plants and actively participated in legislative initiatives supporting the development of Poland’s energy sector.
Throughout his career, he has supervised the preparation and delivery of key investment projects, including large-scale power generation units. Through numerous optimisation initiatives, he contributed significantly to improving the operational efficiency of the companies he managed.
Mr Andrusiewicz holds a degree in Electrical Engineering with a specialisation in Power Engineering from the Cracow University of Technology. He also completed postgraduate studies in Management Systems and New Technologies in the Power and Heating Industries at Wrocław University of Science and Technology, as well as an MBA in Hydrogen Technologies and Energy Transition at the Silesian University of Technology.
Ms Marzena Hebda-Sztandkie is a doctor of economics and a graduate of the Warsaw School of Economics. She obtained her MBA from the Warsaw University of Technology as part of a programme in collaboration with London Business School, HEC School of Management and NHH Norwegian School of Economics. She holds the highest level of project management certification: Certified Project Director issued by the International Project Management Association (IPMA).
During a career spanning more than 20 years, she has gained interdisciplinary experience in finance and investment project management in Poland's largest infrastructure companies.
In Polish Airports from 2001 to 2014, she was responsible, among other things, for the processes of obtaining financing in cooperation with Polish and international financial institutions, financial planning, liquidity, financial risk management, insurance, as well as monitoring and settlement of investment projects for airport expansion.
From 2015 to 2019 in PKP Polskie Linie Kolejowe S.A., she was responsible for monitoring and risk management of infrastructure projects carried out by the Company with a value of approximately PLN 70 billion. She also served as Chairwoman of the Investment Committee of PKP PLK S.A.
Between 2019 and 2024, in CPK sp. z o.o. she participated in the development of the Airport Subprogramme by preparing projects and planning documents related to the planning and design phase of the future airport.
She has served on the Supervisory Boards of, among others, railway and airport companies – PPM-T sp. z o.o., Dolkom sp. z o.o. and Port Lotniczy Wrocław S.A.
She has been involved in a number of projects for the development of feasibility studies, financial models, business analyses and evaluation studies for infrastructure projects. She worked with the Warsaw School of Economics engaging in scientific and educational activities.
Dariusz Lociński is an experienced manager in the energy and industrial construction sectors, with over 25 years of professional experience gained as an investor, a contract engineer and a contractor. Throughout his career, he has held key management roles, was responsible for investment portfolios, distributed teams and operational performance of the organisation. He specialises in effectively translating strategy into the predictable delivery of projects, including the management of schedules, budgets, contractual risks, quality, profitability and cash flow.
He has been with Polimex Mostostal since May 2026. He initially served as the Director of Offshore Development, with responsibility for expanding the company’s operations in the offshore wind energy sector, and subsequently headed the Strategic Power and Offshore Sector Office. He is involved in overseeing the power transmission project for the Baltica 2 offshore wind farm, is developing cooperation with key stakeholders, and supports initiatives aimed at strengthening the domestic supply chain and increasing the share of local content in energy projects.
Between 2021 and 2025, he held management positions at PGE Baltica and the joint venture project companies Baltica 2 and Baltica 3. He was responsible for the strategic and operational preparation of offshore wind energy projects, including the development of the project portfolio, the management of administrative and environmental processes, the management of budgets, schedules and risks, and cooperation with the joint venture partner, financing institutions, the regulator and public authorities. Together with the team, he contributed to the achievement of key project milestones, including securing decisions concerning support under the CfD scheme, resolving the claw-back mechanism, making the final investment decision for the Baltica 2 project, obtaining site licences for new offshore areas, and securing the environmental decision for the Baltica 1 project.
Previously, he worked i.e. for PSE Inwestycje, where he established and managed a contract engineering team operating across five locations, overseeing a portfolio of approximately 100 investment projects per year. He also gained executive and operational experience as President of the Management Board of Polimex Energetyka, Deputy President of the Management Board of Megazec, Branch Director of PGE Energia Ciepła in Szczecin, and as an expert at Siemens. At Megazec, he developed and implemented a repair programme and project management standards based on IPMA and Earned Value Management methodologies, contributing to a sustained improvement in the efficiency and profitability of the implemented contracts.
He has practical experience in the field of business process digitalisation, including the implementation of a contract engineer workflow within an EPM environment, the development of models for the digitalisation of service operations, and the implementation of documentation management systems (DMS).
He is a graduate of the Faculty of Electrical Engineering at the Warsaw University of Technology, where he studied electrical engineering, specialising in power system protection automation. He also completed postgraduate studies in power engineering at the Warsaw University of Technology and in digital telecommunications at the Wrocław University of Technology. He holds the IPMA Level D Certified Project Manager qualification and has practical knowledge of how public companies and entities with shares held by the State Treasury operate.
The new Deputy Chief Operating Officer of Polimex Mostostal combines technical expertise with managerial skills and experience in conducting complex negotiations and delivering projects in a regulated, international and multi-stakeholder environment. He focuses on building responsible teams, improving the efficiency and profitability of projects, ensuring project safety, and developing the skills needed to support the energy transition of Poland.