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International arbitrator, expert in mergers and acquisitions, private equity / venture capital, and business law. Founder and senior partner of the GESSEL law firm. Professor at the Institute of Law Studies of the Polish Academy of Sciences (2025–) and member of its Academic Council (2023–). Member of the Permanent Court of Arbitration in The Hague (2024–). President of the ICC Poland National Committee (2025–). Member of the ICC International Court of Arbitration in Paris (2015–2021). President of the Lewiatan Court of Arbitration from 2011 to 2017, and since 2017 its Honorary President.

Heads both GESSEL's special projects department and the firm's litigation and bankruptcy and restructuring departments. Works according to the principle that "the success of actions taken is measured by the amount of time devoted to them."

Krzysztof has extensive experience in securities transactions in the capital market (ECM, DCM, M&A), particularly in conducting public and private offerings, as well as general advice on commercial law, including corporate governance. He advises public companies, selling shareholders, investors, investment companies and investment banks in various types of capital market transactions, including regulatory aspects.

An expert in competition and consumer law with extensive experience in both the private and public sectors. She was associated with the Office of Competition and Consumer Protection (UOKiK) for 13 years, serving as Vice President from 2014 to 2017, where she oversaw the work of three key departments: Concentration Control, Competition Protection, and Legal. Privately, she is passionate about amateur theatre – directing and performing in productions – as well as literature, gardening, and playing the piano.

His legal practice focuses on corporate advice for publicly listed companies, public issues of shares and bonds, mergers and acquisitions of commercial companies, and formation and operation of brokerage houses and investment funds. He has successfully advised on numerous corporate disputes. He is a specialist in corporate relations in public companies and the functioning of governing bodies at public companies as well as in the communication of public companies with the market, including the performance of disclosure obligations.

Marcin Macieszczak heads GESSEL’s Mergers and acquisitions (M&A) and Private Equity practices. He has led transaction teams in more than 100 M&A and private equity transactions, advising both sell-side and buy-side clients in some of the most complex investment and capital market processes. He advises clients on key ownership and investment decisions, combining extensive legal expertise with a deep understanding of business realities and market expectations.

Michał Bochowicz is a partner at GESSEL and a leader in its top-ranked Mergers & Acquisitions (M&A) practice. He manages complex M&A and private equity projects, representing Polish and international clients in transactions of strategic importance to their growth.

Joanna specializes in arbitration and litigation, acting as counsel and arbitrator. Her practice includes disputes in the broad field of business law, including international trade and M&A transactions.

Specializes in merger and acquisition (M&A) transactions, services for commercial companies (including negotiation of strategic contracts related to operations) and legal aspects of financing processes for entrepreneurs. Maciej has over 20 years of experience in providing legal advice in M&A transactions, both on the seller's and buyer's sides, and on the side of both financial and strategic investors.

Dominika specialises in tax law and heads the tax law department at GESSEL. She advises businesses on income tax, international taxation, VAT and civil law transaction tax. She advises on tax planning, business restructuring and tax due diligence projects, and represents clients in tax and court proceedings.

Karol has extensive experience advising on asset and share transactions, restructuring transactions and financial matters. Has advised on a number of high-profile transactions for buyers and sellers in various industries, including IT, manufacturing, retail and real estate. Has also worked with banks, private equity and venture capital funds. Joined GESSEL in 2010.

Maja specializes in litigation and arbitration. She is the leader of the GESSEL for Climate project, which initiated the first citizen climate lawsuits in Poland. Her practice encompasses disputes in the broad field of business law, including international trade.

Long years of experience representing clients from Poland and abroad in complex litigation and arbitration proceedings.

An experienced lawyer specializing in corporate law, with a particular focus on mergers and acquisitions.

Specializes in capital markets law, both equity and debt. He advises companies in the processes of obtaining financing (especially in the form of public securities offerings) as well as in investment processes. He also provides advice to public companies on day-to-day matters, including implementation of disclosure obligations and the handling of corporate events.

Magda is an experienced lawyer focused on corporate and transactional services for public companies in areas such as compliance with disclosure obligations and administrative and criminal proceedings regarding the Market Abuse Regulation. Also advises on regulatory issues and ESG-compliant corporate governance.

Specialises in litigation and administrative proceedings before the courts.

Specializes in private equity, private equity and venture capital merger and acquisition (M&A) transactions.

Specialises in arbitration and litigation, particularly in commercial disputes in areas such as M&A and international sale of goods.

Michał is an attorney-at-law specializing in capital markets and M&A law. He advises issuers of securities, financial institutions, sellers and both domestic and foreign investors.

Specializes in merger and acquisition (M&A) transactions. Has been providing services to financial (PE/VC funds) and strategic investors for more than 10 years. Has experience of cross-border M&A transactions.

She specializes in litigation and arbitration. Prior to joining GESSEL, she gained experience at renowned international law firms, in litigation and arbitration teams, as well as banking and finance.