Oliver Zihlmann, Switzerland, is one of two leaders of Tamedia Editorial Company's joint investigation team in Switzerland.

He and his team focus on data journalism projects and large investigations on subjects such as fiscal fraud, terrorism, money laundering and crime.

Zihlmann helped lead the Swiss teams working on ICIJ projects including Swiss Leaks, Luxleaks and the Panama Papers.

He began his professional career in national television, worked as a correspondent in Berlin and wrote a book on a diplomatic scandal in Germany. He studied in Basel, Zurich and Bologna and has a master's in economics and sociology, and a doctorate in modern history.