He is born in Prishtina, where he completed primary and secondary education.
He graduated from the Faculty of Arts at the University of Prishtina - Department of Acting - and completed his Master studies for Film Director.
In October 2018 he was appointed Deputy Minister of European Integration.
His previous duties and functions:
Deputy Minister of Justice, 2015-2017.
Senior Political Advisor to Deputy Prime Minister of Kosovo, Hajredin Kuçi, 2008-2010.
Member of the Municipal Assembly in Pristina, 2014-2017.
Member of the Assembly of Kosovo, 2001-2004.
Director of the National Theatre, 1999-2002.
Founder (2003) and Co-director of ODA Theatre in Pristina.
President of the Union of Film Artists of Kosovo, 2011-2015.
Currently, Mr Çelaj is the Chairman of the PDK Branch in Prishtina and a member of PDK Presidency.