Žarko is an economist and a graduate student at the Faculty of Geography, Department of Environment. For many years he was actively engaged in politics, but for the last 5 years, he was engaged in the education of Roma children.

He believes that entrepreneurship is the key to the success of Roma people in the field of finances and education, which is why he is part of the REDI team. Zarko is now a program assistant in REDI Serbia.