Wolf Theiss strengthens competition practice in Poland with new Partner and Counsel

Vienna, Warsaw, 1 April 2026 – Wolf Theiss announces the appointment of Mikołaj Piaskowski as Partner and the addition of Michał Derdak as Counsel in the firm’s Competition and Antitrust practice in Warsaw. These appointments further strengthen the firm’s capabilities in competition law and reinforce its position in the Polish market and across the CEE/SEE region.

Mikołaj Piaskowski is a highly regarded competition law specialist with over 25 years of experience advising on merger control, antitrust, consumer protection and state aid matters. He has extensive experience representing clients before the Polish competition authorities and the European Commission and is recognised by leading international legal directories.

Prior to joining Wolf Theiss, Mikołaj held senior roles at leading international law firms in Poland, where he co-led competition practices and advised on complex domestic and multi-jurisdictional matters.

Michał Derdak, who joined Wolf Theiss in March 2026, brings more than 20 years of experience in competition and consumer protection law. He advises clients on regulatory risk, compliance strategies and cross-border projects and represents clients before national authorities, courts and the European Commission.

Together, they will play a key role in further developing the firm’s competition practice in Poland and supporting cross-border mandates across the region.

“Strengthening our competition practice in Poland is a strategic priority for Wolf Theiss. Mikołaj’s extensive experience and market reputation, combined with Michał’s strong regulatory and advisory expertise, will significantly enhance our offering to clients both locally and across our regional network.”

– Marcin Rudnik, Partner, Wolf Theiss

“Joining Wolf Theiss represents an important next step in my career. I look forward to contributing to the further development of the firm’s competition practice in Poland and to advising clients on complex and cross-border matters.”

– Mikołaj Piaskowski, Partner, Wolf Theiss

“Wolf Theiss offers a strong platform for delivering high-quality, cross-border competition advice. I look forward to working with colleagues across the region and supporting clients in navigating increasingly complex regulatory environments.”

– Michał Derdak, Counsel, Wolf Theiss