Jesic grew up on the streets of Bossley Park in Sydney's south west and was promoted to the Newcastle Jets A-League squad after playing in the youth league. Jesic is a graduate from the Australian Institute of Sport.
Newcastle United Jets
Marko started his football career at AIS. Upon his graduation from the Australian Institute of Sport he moved to Newcastle United Jets in 2008.
On 6 October 2008 he made his A-League debut for Newcastle United Jets as a substitute against Wellington Phoenix. In his second game Marko scored his first goal for the Jets on his starting debut in Newcastle's 1–0 win over Melbourne Victory on 18 October 2008 in the 86th minute.[1][2]