Aleksander is a partner at WKB Wiercinski, Kwiecinski, Baehr and heads the competition practice of the Firm. He is widely recognized as one of the leading Polish competition lawyers and features in, inter alia, Chambers Europe, PLC's Which Lawyer?, Euromoney's Guide to the World's Leading Competition and Antitrust Lawyers and Who is Who of Competition Lawyers and Economists. He has also extensive experience in public procurement law and in regulatory issues, in particular in the energy sector.
In the area of competition law, Aleksander has been involved in a great number of proceedings before the Polish Competition Authority including some of the landmark cases on abuse of dominant position and on cartel behavior (among others, he has advised on appeal against one of the largest fines ever imposed in Poland and on one of the first cases where art. 82 of the EC Treaty (now art. 102 of TOFUE) has been applied by the Polish Competition Authority simultaneously with the Polish competition law).
He is a frequent speaker on Polish and international conferences related to competition law and authored several publications on this subject, including discussion of interplay between competition law and regulatory tools that has been published in a book commemorating 15th anniversary of the Polish Competition Authority.