Meet our team
Michał Musielak
Group Managing Partner
Licensed Tax Advisor
Michał Musielak is a lawyer, financier, and licensed tax advisor (license number 10244) with 25 years of experience in tax and legal advisory. He founded Arena Advisory and has been awarded the Honorary Badge of the Polish Bank Association. Michał specializes in tax advisory for commercial banks, including product structuring, tax settlements, due diligence, training, and tax planning.
He gained experience at several international consulting firms and served as Chief Tax Inspector for a bank within an American capital group.
During the Polish EU Presidency, he was the Official Representative of the Polish Bank Association in the European Banking Federation VAT group.
Michał has earned degrees in law from Adam Mickiewicz University and in accounting and corporate finance from WSB University in Poznań.
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Arena Advisory is a partner of the ILCA4 Youth European Championship 2025 in Puck
Between 18–25 June 2025, we had the honor of supporting the ILCA4 Youth European Championship,...
Nomination for ITR EMEA Tax Awards 2025 – we are among the best
We are proud to announce that Arena Tax has been nominated for the prestigious Transfer...
MGI Talent Meeting 2025 – Arena Advisory among the participants
On February 20–21, 2025, Arena Advisory, as an active member of MGI Worldwide - a global network...




