He had his debut age four in A dzsungel könyve, a Hungarian musical based on The Jungle Book, at the Csokonai Theatre in Debrecen, where he later acted in several children and youth roles.

Jéger is a graduate from the Academy of Drama and Film in Budapest, and has been acting in several plays at the Örkény Theatre [hu; fr] in Erzsébetváros, Budapest.

[1] Zsombor Jéger was born in Debrecen Hungary.

His mother Bandi Margit is a Hungarian teacher, and mental hygiene specialist.

Jéger grew up with his two sisters who are also bonded with the Hungarian artistic sphere.