Witness was born in 1975 in Mudzi, Mutoko. Witness is the second born in a family of seven.
Witness grew up in Domboshava, Chinamhora where he achieved his primary education. He then moved to Mabvuku, on the outskirts of Harare and completed his secondary education.
He started sculpting in 1992 with the late Nicholas Mukomberanwa and then with his elder brother Lameck Bonjisi. He was mainly inspired into the sculpture world by his brother Lameck.
In 1997 he started sculpting his own pieces.
He has attended workshops in America and Switzerland and his works can be found in galleries and private collections all over the world.
2002 Zuva Gallery, Arizona, USA
2002 Shamwari Gallery, Oakland, SF, USA
2003 World Economic Forum, Switzerland.