Zorislav Antun Petrović is an anti-corruption expert, with over 20 years of experience, a member of various anti-corruption task forces: the Commission for Deciding on Conflicts of Interest (2005-2013), the National Council for Monitoring the Implementation of the Anti-Corruption Strategy (2006-2007 and 2020 -2024), the Ethics Election Commission (parliamentary elections in 2003 and 2007, elections for the EU Parliament in 2014), the Anti-Corruption Commission of the City of Zagreb (2012-2013 and 2021-2025). He is the co-author or editor of a number of publications: Analysis of the National Integrity System, Transparency in the Financing of Elections and Pre-Election Campaigns, Combatting Corruption in Croatia in the Middle Ages... He also worked as a journalist and editor in Jutarnji list, Globus, Slobodna Dalmacija, Nedjeljna Dalmacija, Glas Slavonije, and as a correspondent for the Austrian Press Agency from Croatia.