Sizwe matriculated in 1999 and was a member of Blackmore House. He was a keen sportsman who participated in Athletics, Rugby and Basketball. Sizwe represented KZN at U16 and U18 School Rugby levels.
He completed a Bachelor of Commerce degree majoring in Philosophy, Politics and Economics from the University of Cape Town. He thereafter, completed a Master of Commerce degree in Economics from the University of KwaZulu Natal.
Sizwe is currently the CEO of FNB Wealth and Investments. Prior to this he held the position of FNB Chief Economist and also served as a Senior Economist in FNB’s Wealth segment, where he was involved in macroeconomic and investment research. He was also a member of the Investment And Asset Allocation committee. Before joining FNB Wealth, he was an economist at FNB Commercial. Sizwe initially began his career at the Bureau for Economic Research in Stellenbosch followed by a stint at Kagiso Trust Investments.