[2][3] Born in Lebanon, Gharzeddine moved to Australia at an early age and holds dual citizenship.

[4] That national team made a 22-place jump in the AFC ranking to reach the 12th place in Asia.

[12] On 22 February 2022, Gharzeddine was appointed head coach of Jordan Women's Pro League side Etihad,[13] section of the 6 Yard Football Academy.

[16] With the club sitting in first place with 17 points, Gharzeddine left Etihad on 1 August 2023, upon the expiration of his contract.

[18] Born in Ras el-Matn, Lebanon,[1] Gharzeddine holds both Lebanese and Australian citizenship.