Muleya is the Deputy Regional Director for Amnesty International, Southern Africa Regional Office in charge of Research. Her work has been focused on human rights advocacy in East and Southern Africa. Prior to joining Amnesty, she was the Campaigns and Policy Manager in charge of Gender, for Oxfam’s Rights in Crisis Programme interfacing with the Peace and Security Council of the African Union in Addis Ababa. She worked as a campaign manager for the Global Campaign for education, in particular advocating for girls’ education.