Dinga Sikwebu is the Co-director (Programmes) at Tshisimani Centre for Activist Education. He previously served as the long-time Head of Education at the National Union of Metalworkers of South Africa (NUMSA), appointed in 1995. Dinga’s association with the union movement goes back to 1980 when he worked for the British multinational corporation, Metal Box. Over the years, he has written and published numerous articles on politics and the labour movement in South Africa.

In 2018, Dinga served on the adjudication panel for the first People’s Tribunal on Economic Crime in South Africa.