Peter lectured at the University of Pretoria before joining Hulett Aluminium in 1978. In 1990 he became Managing Director of Hulett Aluminium Rolled Products and in 1996 Managing Director of Hulett Aluminium. He was appointed Chief Executive Officer of Tongaat Hulett in 2002. Peter was chairman of the Hulett Aluminium board from 2002 to 2007 and he was appointed to the board of Hulamin in 2007. He is also the former chairman of Trade and Investment KwaZulu-Natal.