He had been deputy prosecutor-general of the Greek Supreme Court and chairman of the Finance Intelligence Unit, a watchdog responsible for investigating financial crimes.
[1] In February 2012, Nikoloudis revealed that one Member of the Hellenic Parliament (MP) had deposited one million Euros abroad in May 2011.
In a session of the parliamentary Committee for Institutions and Transparency, he said, "To take your money abroad is not a sin, it is not illegal in the formal sense of the law, but for me it is indicative.
[3] On 27 January 2015, Nikoloudis was appointed as Minister of State for Combatting Corruption in Alexis Tsipras' cabinet.
"[4] In March 2015, it was announced that Nikoloudis was investigating 80,000 wealthy Greeks who were suspected of having at least 200,000 Euros each in undeclared funds in bank accounts abroad.