Kozoronis started his career with the youth teams of Ergotelis, and signed his first professional contract with the club on 24 May 2012, when the club played in the Football League, the second tier of the Greek football league system.
[1] He contributed with 2 goals in 26 appearances to his club's 2nd place finish and subsequent promotion to top flight.
[5][6] On 20 March 2018, Kozoronis was released by Hamilton having failed to play a single game for the club and making just one appearance on the bench.
[8] On 10 January 2019, Petrolul Ploiești announced the signing of the 26-year-old Greek defensive midfielder until the summer of 2020.
On 19 August 2020, Panevrėžys announced the signing of the Greek defensive midfielder until the summer of 2021.