Lawyer, publicist and writer. Together with Prof. Stanislaw Obirk, he is the author of bestselling reportage books: ‘Babylon. Criminal History of the Church’ and ‘Gomorrah. Władza, strach i pieniądze w polskim Kościele’. He also wrote The Chronicles of the Possessed. He is also the author of the reportage ‘Advocates. Zraniony zapał’ and ‘Plebania’ on the pathologies of the Polish Church. Co-author of the podcast ‘A Criminal History of the Church’, awarded an Empik bestseller for 2022. Another season of this podcast was awarded Best Audio in 2023. Since 2021 he has hosted the author’s podcast ‘Listening’ on the Sekielski Brothers Studio channel.