Since 2016 Ilija is member of the Belgrade Bar Association. His expertise includes labour law, tax law and dispute resolution.

Ilija graduated from the Faculty of Law, University of Belgrade. He holds LL.M degree in economic analysis of law from the Faculty of Law, University of Belgrade, and LL.M degree in International Business Law from Vrije Universiteit Amsterdam.

Ilija is member of the Serbian Fiscal Society (national branch of International Fiscal Association).

He speaks English fluently.