Mazuba is a Senior Advisor on Sustainable Fisheries Management of small water bodies under GIZ, in Zambia. She coordinates the implementation of activities under the Fish for Food Security Project, whose aim is to increase access to fish products for food insecure households. Mazuba was featured in an Alumni News 29-Australia Awards on 'Teaching Community How to Fish.' Afterward, she was awarded a grant to conduct pond-based trials with small-scale fish farmers on the use of chicken manure to fertilize ponds. She holds a Master's in Sustainable Aquaculture from Curtin University in Perth, Western Australia.