Kerbaj specialized in investigating crime and national security-related stories during his 20 year career at newspapers in Australia and Britain.
Born in Melbourne, Australia to parents of Druze origin, Kerbaj's family moved to a village in Lebanon in 1980 when he was 2 years old.
During Kerbaj's final year of high school his English grades improved dramatically with help from tutor and friend Ben Sheehan.
In March 2001, Kerbaj started a writing course at Deakin University, where he studied under influential Australian author, journalist and photographer Peter Davis.
[1][2] In December,[year needed] Kerbaj praised the series' star David Tennant, stating that he had: "Saved our show because it was commissioned a few months before COVID hit.