Marija Milić is social worker, and she is working in NGO Juventas from 2008, first as an apprentice, then as project assistant, and now as a coordinator of harm reduction program for People Who Inject Drugs (PWID) and Sex Workers (SW).

With NGO Juventas she participated in numerous trainings, seminars and conferences, regarding PWID/SW, public health, policy, advocacy, projects writing, monitoring and implementation.

Also, she is a representative of DPNSEE (Drug Policy Network South East Europe), representative of EHRA (Euroasian Harm Reduction Association) and she attended Harm Reduction Academy Cycle 5 in 2018.