Is an Acting Director of Aluminij d.d. Mostar, one of the largest single exporters in BiH, which employs almost 900 employees. She has been in this position since September 2015 and previously she performed a number of responsible posts within Aluminij, as the Executive Director of Technical Affairs and Development, and also as the Head of Production at the Casthouse, where she was the Head of Production Plan and Preparation. She was also a technologist within the Quality Control Department, and before that an engineer in the Electrolysis Plant. Ružica was born in Zenica (Bosnia and Herzegovina) in 1970, where she graduated from the Faculty of Metallurgy and Metals at the University of Zenica. She lives and works in Mostar (Bosnia and Herzegovina).