Piet Grobler was born in Nylstroom, Limpopo Province, South Africa, and grew up on a a farm in Warmbaths area, the eldest of five children. He studied theology at the University of Pretoria and was a minister of religion from 1985 to 1989. Following that he studied graphic design and journalism and worked as a graphic designer and editor in the field of advertising and publications.
Piet has been a free-lance artist and illustrator since 1996. Now a well-established artist, he has won many national and international prizes. These include a silver medal at the Noma Concours in 1997 for Here I Am (1996), the Octogone de Chine in 1999 and the Primo Alpi Apuane in 2000 for Carnival of the Animals (1998) as well as the Tiene Holloway Medal in 1997 for Rhinocephants on the Roof (1996).