After completing his studies, Smith joined the chemicals manufacturing company AECI, where his research led to a world-wide patent in safety fuse manufacture. He subsequently joined the Afrox company as a technical manager and was also in charge of their industrial training.
Deciding that he would rather pursue a teaching career, Smith left industry and moved to the education sector, where he started Star Schools - the aim of these schools are to provide value for money education with top class teachers. During the next twenty-five years he became famous throughout South Africa, where his schools have taught almost a million pupils of all races. Smith also won the Teacher of the Year award.
In 1990, Smith began producing The Learning Channel educational television programmes with the financial backing of Hylton Appelbaum, then executive director of the Liberty Life Foundation. As a result of his work on this programme, Smith was voted as one of the top three presenters on South African television in 1998.
Other achievements
Smith is also a renowned conservationist and owns the Featherbed Nature Reserve in Knysna where he currently (2004) lives. He is also the owner of Rivercat Ferries, which has several craft that cruise in the Knysna lagoon and out to sea.
He is also a co-presenter, with Jeremy Mansfield, of the popular South African television quiz show, A Word or 2, which now in its 10th season. Smith was also a judge for the Miss South Africa Pageant in 1998 and 1999.