Career
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. 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." In response, the Deputy Prime Minister, Evangelos Venizelos, revealed that the Ministry of Finance had found a number of instances of MPs sending money abroad in 2011 and had asked for the Finance Intelligence Unit"s help on a number of these cases. On 27 January 2015, Nikoloudis was appointed as Minister of State for Combatting Corruption in Alexis Tsipras" cabinet.
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.
Speaking to The Times, he said: "I"m not concerned about the so-called Lagarde list. lieutenant"s just a footnote in this overriding bid to hunt down tax cheats.".