Pelonomi has spent 8 years in the data science domain, leading data science teams in developing and productionalising machine learning solutions in the finance industry. She has Biomedical and Electrical Engineering degrees from the University of the Witwatersrand and an MSc from Tohoku University where she did research on a deep learning application for neurophysiology. A community organiser she is Trustee of the Ruth First Jeppe Memorial Trust and runs the Code Kamoso coding academy for girl teens as co-director of The Ungovernable NPC. Pelonomi was named to the 200 Young South Africans list in 2019.