Mirjana was born on March 1, 1978 in Valjevo.
She graduated in 2002 from the Faculty of Economics, University of Belgrade.
She obtained her master's degree in 2009 at the Faculty of Economics, University of Belgrade, with her master's thesis "Prospects for the development of the Electric Power Industry of Serbia within the energy community of Southeast Europe."
Until 2005, she worked in the Ministry of Finance of the Republic of Serbia - Treasury Department, Debt Management Department.
From 2005 to 2012, she worked in the PE "Electric Power Industry of Serbia" - Directorate for Economic and Financial Affairs - Sector for Foreign Exchange Payments as well as the Directorate for Electricity Trade.
In the period from August 2012 to February 2013, she performed the function of Assistant Minister of Energy, Development and Environmental Protection and was in charge of the Electricity Sector.
From 2013 to May 2014, she worked in the PE "Electric Network of Serbia", as the Director of the Treasury Department.
Since May 2014, he has been the State Secretary of the Ministry of Mining and Energy of the Republic of Serbia.
He speaks English and Italian language.
She is the mother of one child.