Dennis was born in 1978, in Nyanga in the Eastern District of Zimbabwe. He attended his primary education at Mazarura School, O-Levels at St Mary Magdalene’s Secondary School and “A” Levels at Nyatsime College. He is currently studying at the Harare Polytechnic for a National Diploma in Process Technology.

Dennis is the son of a first generation sculptor, Claude Nyanhongo and a brother to prominent sculptors, Agnes and Gedion Nyanhongo who belong to the second generation of Shona sculptors.