Promotions at GESSEL
16.02.2026 News Capital Markets Corporate law Arbitration Litigation Mergers and acquisitions (M&A) Financial litigation Real Estate
GESSEL announces its 2026 round of promotions, reflecting the Firm’s continued growth and its commitment to developing market-leading expertise across core practice areas. The promotions recognise outstanding professional achievement, leadership and contribution to client service.
Promotion to Counsel
🟧 Magdalena Marczuk – Capital Markets and Corporate Law
Promotions to Managing Associate
🟧 Barbara Tomczyk – Arbitration and Litigation
🟧 Katarzyna Zarzycka – Mergers and Acquisitions
🟧 Rafał Smolik – Mergers and Acquisitions
Promotion to Financial and Procedural Projects Coordinator
🟧 Łukasz Naściuk – Financial Litigation
Promotions to Senior Associate
🟧 Adrianna Andruszewska-Ożóg – Financial Litigation
🟧 Bernadeta Kołcz – Financial Litigation
🟧 Krzysztof Śledziński – Real Estate
🟧 Marcin Walczak – Mergers and Acquisitions
Promotions to Associate
🟧 Anna Komorzycka – Mergers and Acquisitions
🟧 Wiktoria Luka – Arbitration
🟧 Zuzanna Rodak – Financial Litigation
🟧 Magdalena Rzepka – Mergers and Acquisitions
🟧 Zuzanna Sójka – Mergers and Acquisitions
🟧 Paweł Osmólski – Mergers and Acquisitions
Promotion within Business Services
🟧 Mateusz Zglejszewski – Reception Coordinator
“These promotions reflect the strength of our talent pipeline and the quality of work delivered to our clients across complex transactions and high-stakes disputes. We are proud to recognise the achievements of our colleagues and look forward to their continued contribution to the Firm’s growth,” said Marcin Macieszczak, Managing Partner.
Authors
Counsel
Advocate
Magda joined the GESSEL team in 2012 and became managing associate in 2019. She mainly advises on public issues of shares and bonds, in particular working on drafting prospectuses and reviewing and negotiating agreements accompanying public offerings. She also focuses on advice related to compliance with disclosure obligations, in particular advising during administrative and criminal proceedings regarding MAR. In addition, Magda advises compa...
Managing Associate
Advocate
Barbara joined GESSEL in 2018 and is a member of the arbitration team. She represents clients both before the general courts and in domestic and international arbitration (at, among other forums, the International Chamber of Commerce in Paris, the Arbitration Court of the Polish Chamber of Commerce in Warsaw, and the Arbitration Court of the Lewiatan Confederation). Her practice to date has been focused on disputes concerning breach of represe...
Katarzyna Zarzycka
Managing Associate
Advocate
Mergers and acquisitions (M&A) | Corporate law | Private Clients
Managing Associate
Advocate
Joined GESSEL in 2021. Gained experience at a renowned Warsaw law firm and a leading international law firm in the areas of mergers and acquisitions transactions, corporate law, corporate governance principles and capital market law, among others. Author of the monograph "Corporate Governance through the eyes of Warren Buffett" published in 2021 by C.H. Beck publishing house. A co-author of articles on corporate law and constitutional la...
Rafał Smolik
Managing Associate
Attorney-at-law
Mergers and acquisitions (M&A) | Corporate law | Private Clients
Managing Associate
Attorney-at-law
Joined GESSEL in 2021. Prior to joining GESSEL, worked at leading Polish law firms. Has experience in corporate and transactional consulting, including for foreign businesses. Has participated in numerous due diligence studies of corporate entities and of real estate assets. Provides ongoing advice in the area of corporate law and corporate governance principles. Experienced advisor on anti-money-laundering compliance.
Łukasz Naściuk
Senior Associate
Advocate
Financial and Procedural Projects Coordinator
Litigation | Financial litigation
Senior Associate
Advocate
Financial and Procedural Projects Coordinator
Łukasz is an advocate and senior lawyer at GESSEL. He specializes in litigation. At GESSEL, he handles civil and commercial disputes involving financial institutions. Prior to joining GESSEL in 2022, he worked with law firms dealing in particular with complex white-collar crimes proceedings. He also worked for an international tax consulting company.
Senior Associate
Adwokat
Adrianna joined GESSEL in 2021. She specialises in court proceedings involving financial entities, centring on matters such as foreign currency loans and unauthorised payment transactions. Previously worked with State Treasury companies, a Big Four consultancy, and law firms, providing businesses and self-government entities with general advice on legal and tax issues.
Senior Associate
Advocate
Bernadeta joined GESSEL in 2022, having previously worked with a Rzeszów law firm providing day-to-day legal services to entities active in the energy sector, also with regard to litigation. She now specialises in litigation support for financial institutions on matters concerning foreign currency loans and unauthorised payment transactions.
Marcin Walczak
Senior Associate
Attorney-at-law
Mergers and acquisitions (M&A) | Corporate law
Senior Associate
Attorney-at-law
Since joining GESSEL in 2021, Marcin has contributed to share deal and asset deal M&A transactions both on the sell side and the buy side. He has drafted transaction documentation, corporate documents (for the purpose of specific transactions, as well as of day-to-day legal services) and due diligence studies. Prior to joining GESSEL, he gained experience at renowned international law firms, dealing with tax and competition law issues.
Associate
An expert in commercial and civil law, she has provided ongoing corporate advisory services. She has advised clients on M&A transactions, private equity deals, including complex cross-border transactions, legal due diligence, and corporate governance matters. Her previous experience was gained at prestigious Polish and international law firms. She graduated from the Faculty of Law and Administration at the University of Warsaw in 2022. ...
Associate
Wiktoria joined the GESSEL team in January 2023. She supports the litigation and arbitration team in proceedings before general courts and the Supreme Court, as well as in arbitration proceedings conducted before arbitral tribunals associated with institutions such as ICC, KIG, or the Lewiatan Confederation. She specializes in post-transactional, corporate, and energy disputes. Prior to joining GESSEL, Wiktoria gained experience in the lega...
Associate
Zuzanna joined GESSEL in May 2023. Her professional practice is focused on litigation, with especial emphasis on disputes involving financial institutions. Much of her current work deals with proceedings which concern phishing attacks and claims arising from unauthorised payment transactions. She also has experience in disputes concerning abusive contract clauses as well as foreign currency-related loan agreements. As part of her prac...
Associate
Magdalena joined the GESSEL law firm in 2023. She participates in the work on M&A transactions. In the transaction process, she prepares documentation at all stages and participates in conducting due diligence of companies. She supports companies and entrepreneurs in the day-to-day legal support of their operations by preparing corporate documentation for these purposes. During her studies, she gained experience in Warsaw notary offi...
Associate
Zuzanna joined GESSEL in 2023, bringing her energy to complex M&A projects in the domestic as well as international markets. She assists with transaction documentation, due diligence studies, and various aspects of company law. Zuzanna’s professional experience to date has been with a large e-commerce platform, at which she worked with international clients from the fashion industry, advising them on contract law matters.
Associate
Paweł joined the GESSEL law firm in 2023 and participates in M&A transactions. He has experience in drafting transaction documentation, conducting due diligence processes, and providing ongoing corporate legal support. He has also been involved in investment fund projects, particularly alternative investment companies. Before joining GESSEL, he worked at a boutique law firm specializing in real estate law, wh...
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