Founder and Managing Partner at Głuchowski Siemiątkowski Zwara i Partnerzy, Marek holds a PhD in Law of the University of Gdansk of which school he is a graduate.
Marek completed his judicial exam with distinction, and subsequently obtained the qualifications of a legal adviser. For many years he worked at the Department of Commercial and International Private Law at the University of Gdansk.
He specialises in commercial law and issues pertaining to commercial trading, pertaining to public and civil law. Marek largely deals with issues regarding the activity of financial institutions (banks, insurers, investment funds) and their organisational transformations as well as issues regarding financial instruments, capital structuring and securing entrepreneurs in regard to commercial risk exposure. His pracitce also includes matters related to corporate advisory, restructuring, privatisation, energy sector and international investments.
Marek has held multiple functions including: the Chairman of Supervisory Board and the President of the Management Board of PKO BP S.A., Chairman of Supervisory Board of Wilbo S.A., Chairman of Supervisory Board of Centrum Haffnera sp. z o.o., Vice-President of Supervisory Board of the National Investment Fund “Magna Polonia“ S.A., Member of Supervisory Board of Bank Pocztowy S.A., Member of Supervisory Board of Nordea Bank Polska S.A., Member of Supervisory Board of the National Deposit of Securities, and is currently the Member of the Supervisory Board of PTE AEGON S.A. and Kompap S.A, as well as the President of the Board of the Gdańsk Business Club, a Member of the Council of the Józef Piłsudski Family Foundation, a Member of the Council of the Józef Piłsudski Museum in Sulejówek, a Member of the Council of the National Museum in Gdańsk, and the Chairman of the Council of the Research Foundation “Baltic Institute of Technology” in Gdynia.
He is also the arbitrator of the International Court of Arbitration at the National Chamber of Maritime Economy in Gdynia.