Adam Leszczyński - historian, journalist and publicist. Member of the "Krytyka Polityczna" team, as well as co-founder and journalist of OKO.press (since 2016), long-time publicist for "Gazeta Wyborcza" (2005-2017). Commentator on political and social life in electronic media. 

Published regularly in "Newsweek", "Polityka", "Krytyka Polityczna", among others. Author of many historical and reporter books, including: Skok w nowoczesność. Polityka wzrostu w krajach peryferyjnych 1943–1980 (2013) and Eksperymenty na biednych – Polityczny, moralny i ekonomiczny spór o to, jak pomagać skutecznie (2016). In 2017 his famous book was published, in which he critically analyzes the self-portrait of Poles - No dno po prostu jest Polska. Dlaczego Polacy tak bardzo nie lubią swojego kraju i innych Polaków. He was nominated for the "Nike" Literary Award for his book Ludowa historia Polski (2020). In 2023, his book Obrońcy pańszczyzny – analiza dyskursu propańszczyźnianego w XVIII-XIX w. will be published. 

At SWPS University, he teaches classes in the workshop of a newspaper journalist, Polish history, political commentary, and social journalism.