A few months after being elected to the Athens city council in May 2014,[8] he was sworn in as a member of parliament for the third time in November 2014, replacing Dimitris Avramopoulos[9] who had resigned his seat in order to serve on the European Commission.

[15][16] In the 1990s during his academic years he used to participate in nationalist protests and in at least one instance was caught on camera burning Turkish flags alongside supporters of the neo-nazi party Golden Dawn.

[18] He has also suggested that immigrants should be denied access to food, water and health care, in order to make their living conditions in Greece less attractive than those in their homelands.

[19] While representing[20] his father in court in 2019, he argued that Konstantinos Plevris’s public desire to see the return of Nazis and the reopening of the Auschwitz concentration camps should not count as hate speech or incitement under Greek law.

[21] After he was appointed as Minister for Health in 2021, some of this previous comments and statements resurfaced, resulting in a strong reaction by the Central Board of Jewish Communities in Greece.