Rustom is the father of Paul, a former Lebanese Premier League and Lebanon national team player.
Rustom made his league debut for Sagesse on 23 December 1966, against Antranik at the Habib Abou Chahla Stadium.
[3] Rustom played the Lebanon national team for nine years,[3] representing them at the 1980 AFC Asian Cup qualifiers in 1979.
[7] On 25 June 2022, Rustom was re-appointed head coach of Sagesse in the Lebanese Premier League.
[8] Rustom is married to Salwa Abou Sleiman, and has three children: Paul, Laurence, and Elie.