Graham Duxbury is a South African racing

Auto racing

Auto racing is a motorsport involving the racing of cars for competition. It is one of the world's most watched televised sports.-The beginning of racing:...

 driver, business man, and motorsport commentator. Duxbury won the South African National Drivers Championship

South African National Drivers Championship

-Champions:...

 in 1982 engineered by Ken Howes driving initially a March 78B before taking delivery of a ground effect March 822. He won the Daytona 24 Hours in 1984 driving for Kreepy Krauly Racing, an all-South African team in a March

March Engineering

March Engineering was a Formula One constructor and manufacturer of customer racing cars from the United Kingdom. Although only moderately successful in Grand Prix competition, March racing cars enjoyed much better achievement in other categories of competition including Formula Two, Formula Three,...

 83G-Porsche

Porsche

Porsche Automobil Holding SE, usually shortened to Porsche SE a Societas Europaea or European Public Company, is a German based holding company with investments in the automotive industry....

 again engineered by Howes. He shared the win with Sarel van der Merwe

Sarel van der Merwe

Sarel Daniel van der Merwe is a South African former rally driver, who was a multiple South African Rally Drivers Champion. He is sometimes referred to as "Supervan"....

 and Tony Martin

Tony Martin (motor racing)

Tony Martin is a South African racing driver. He won the Daytona 24 Hours in 1984 driving for Kreepy Krauly Racing, an all-South African team in a March 83G-Porsche. He shared the win with Sarel van der Merwe and Graham Duxbury.-References:...

.

He is the Chief Executive Officer of Duxbury Networking, a South African based Specialist Networking Distributor.