Sethu Mbuli was a junior health reporter at Bhekisisa. She holds a BSc degree in ocean & atmosphere science and chemistry from the University of Cape Town, and in 2019, she completed her honours degree in journalism at Stellenbosch University. Mbuli has a background in broadcasting, having worked as a radio presenter and newsreader for Stellenbosch University's campus radio station, MFM 92.6, for over five years. She also worked as a radio presenter for HIP2B2, an initiative to teach maths and science to young people, started by Mark Shuttleworth. Mbuli was named a Queen's Young Leader 2018 and a News24 young Mandela of the future 2019 for her work raising awareness about albinism in South Africa.