Sosten has more than 15 years’ experience dealing with renewable and energy efficiency issues at policy level, as a researcher and consultant. Before joining government in 2016, he worked for Bindura University, University of Fort Hare and the Scientific and Industrial Research and Development Centre (SIRDC).  Sosten has a PhD from University of Fort Hare  and has authored peer reviewed articles and presented at a variety of workshops.

Sosten is a panellist at the sixth Africa Investment Exchange: Power & Renewables meeting at RSA House, 13-14 November 2019.