Marko Grujić was born on 15 February 1982 in Smederevo.
He is a law graduate by profession.
After working as a judicial trainee at the Basic Court in Smederevo, he was secretary of the Primary School “Dr Jovan Cvijić” in Smederevo.
He then worked at the Economics and Trade School in Smederevo as a teacher of law subjects.
He also worked as an assistant to a public enforcement officer in the “Nikolić-Panić” office, for the area of the First Basic Court in Belgrade and the Commercial Court in Belgrade.
He currently works as a lawyer and legal representative at a private company from Smederevo.
He is married and has one child.
He is a member of the Socialist Party of Serbia