Maiwen Ngalueth is a South Sudanese humanitarian professional, with interest in peace and humanitarian aid. For more than a decade, Maiwen has worked for leading organisations, including MSF, UNHCR, ICRC, and currently with Geneva Call, where he is in charge of coordinating programmes for the East Africa region. He also co-founded the Abyei Peace & Human Rights Organization (APHRO), an NGO that works towards enhancing peaceful dialogue between communities along the Sudan-South Sudan borders.

Maiwen grew up in Khartoum as an internally displaced person (IDP) for most of his life. As an IDP, Maiwen went to Catholic missionary schools in Khartoum that provided education to children of displaced families.

Currently residing in Geneva as a refugee, Maiwen co-founded the Refugee Advocacy Network (R.A.N), a refugee-led NGO that works towards enhancing the participation of refugees in discussions about policies and laws that affect their lives.