 In 2012, he was elected President of the European Partners Against Corruption / European Anti-Corruption Network (EPAC/EACN), a formal network comprising close to fifty anti-corruption authorities from European Union Member States.The Network was set up to improve cooperation between authorities mandated with the fight against corruption in the European Union, as well as to foster closer relations between Member States and the European institutions.Upon taking office, Kessler led the investigation into the 2011 cash for influence scandal in the European Parliament.