Petr is the coordinator of Demagog.cz, the first fact-checking platform in the Czech Republic that verifies politicians' statements and content on social media. Petr has worked as a fact-checker in the past, tracking government promises and creating election calculators as a member of the KohoVolit.eu (Who to vote for) team.
Alongside his activism, he has been involved in political science research as a quantitative analyst focusing on geostatistics and electoral vote analysis. He is also a senior research analyst at IDC, working with big data in statistical models and designing interactive maps and presentations of statistical results.