Leszek Koziorowski

Leszek joined GESSEL in 1999 and became a partner in 2002.

Since the beginning of his professional career, he has been involved in the Polish capital market. Initially he worked at the Polish Securities and Exchange Commission (now the Polish Financial Supervision Authority); at this time he also held the position of vice chairman of the Examination Commission for Investment Advisors.

Since 2013, he has been a member of the Corporate Governance Committee at the Warsaw Stock Exchange. In this capacity, he was one of the co-authors of the Best Practices in Public Companies 2016 and Best Practices in Public Companies 2021. He has been a member of numerous supervisory boards, in many instances as their president.

Leszek has been recommended and recognized in numerous rankings of law firms, including since the first edition of the “Rzeczpospolita” ranking. In addition, he has received accolades from “Chambers Global” and “Chambers Europe. Europe’s Leading Lawyers for Business”, which lists him among the leaders of the capital market field, describing him as “a talented and respected lawyer – definitely among the elite”.

Author of numerous publications on the capital market. His articles and columns have appeared in, among others, “Przegląd Prawa Handlowego”, “Prawo Papierów Wartościowych”, “Radca Prawny”, “Rynki Kapitałowe”, “Rzeczpospolita”, “Gazeta Giełdy Parkiet” and “Dziennik”.

In addition to his professional interest in securities, Leszek Koziorowski collects historical securities, and develops his interest in the history of the economy, particularly the capital market, through his activities in the Association of Historical Securities Collectors, serving as president since 2009. He also remains editor-in-chief of the Securities History Yearbook and has written numerous articles on the history of securities. He was the first to describe historical Polish stocks in the two-volume “Catalogue of Joint Stock Companies of Interwar Poland and the Shares Issued by These Companies.”

Leszek’s interest in securities departs beyond the purely professional sphere. He is a collector of historical securities documents, and his interest in history of the equity markets and of the economy in general is pursued in the Association of Historical Securities Documents Collectors, of which he is the president since 2009. Leszek is the editor-in-chief of an annual publication devoted to the historical aspects of securities and the author of numerous writings on related topics, including the book “Shares Listed on the Warsaw Stock Exchange Until 1939” and the monolithic “Katalog spółek akcyjnych Polski międzywojennej i akcji emitowanych przez te spółki”, a two-volume work presenting an unprecedented elaboration on the subject.