signed a contract with Iraklis. On 31 January 2011, with the club being only three points above relegation he resigned from his position as manager. In May 2011, Ouzounidis returned to Skoda Xanthi, where he stayed until September 2012, resigning his post after suffering a 3−0 home loss vs. PAOK. In the summer of 2013, Ouzounidis took over management of Superleague side Platanias, but left the club toward the end of 2013. In January 2014, he was appointed manager of fellow Cretan top tier club Ergotelis, replacing Giannis Petrakis in mid season. He led the club to a 7th-place finish, the best in club history, accumulating a record 44 points (tied with 6th place local rival OFI). He left the club after the end of the 2013−14 season. In December 2014, Ouzounidis was appointed as manager of Panionios, with which he had a high rate of success over two domestic campaigns, having recorded 28 wins and 20 draws over 70 games he was in charge for. On 10 August 2016, his contract with the club was terminated unilaterally, mainly because of disloyalty issues raised by the board, due to Ouzounidis simultaneously being in talks with Olympiacos over a potential career move. On 1 December 2016, Ouzounidis agreed upon a one-and-a-half-year contract with Panathinaikos to take over the vacant managerial role at the club, right after the departure of former manager Andrea Stramaccioni. His first game in charge was a 1–0 victory over PAOK at Apostolos Nikolaidis Stadium three days later. He was credited with being eager to manage the team despite the chairman Giannis Alafouzos halting the club's funding and imposing radical budget cuts as a means of reducing Panathinaikos' debt. On 7 May 2018, Ouzounidis announced that he would leave the club on expiration of his contract, expressing his openness to return to Panathinaikos in the future under different financial and administrative circumstances. On 25 May 2018, Ouzounidis was appointed as manager of 2017–18 Greek Superleague champions AEK Athens, on a biennial contract, only hours after the departure of Manolo Jiménez from the club. After the first half of the 2018–19 Super League Greece season, AEK were performing very poorly in the league and expectations were very high after they won the league the season before. They also were the team with the worst performance stats in the 2018–19 UEFA Champions League group stage, being eliminated after losing all