From Wikipedia: Angelos “Ange” Postecoglou is a Greek-Australian former football player and former coach of Scottish football club Celtic. Postecoglou, who previously managed the Australia national team, is one of the most successful Australian club coaches with two premierships, four championships and a continental title.
Born in Greece, Postecoglou grew up in Melbourne from the age of five. As a player, he spent most of his club career as a defender for South Melbourne Hellas and played four games for the Australia national team in the late 1980s. He began managing at South Melbourne Hellas in 1996, winning the National Soccer League twice and the OFC Champions League in 1999. He then led the national under-17 and under-20 teams.
Postecoglou managed Brisbane Roar and Melbourne Victory in the A-League, winning the Premiership in 2011 and the Championship in 2011 and 2012 with Brisbane Roar. He was the men’s senior national team manager from 2013 to 2017, winning the AFC Asian Cup in 2015 and also going to the 2014 FIFA World Cup. He won the J1 League with Yokohama F. Marinos in 2019, and then won five trophies (including two league titles) in two seasons with Scottish side Celtic. He became head coach of Premier League club Tottenham Hotspur in 2023.