In uncertain times, leaders at all levels can learn from what the world's leading CEOs are doing to protect their companies from risk and forge a path forward. In this Future of Business series, IdeaCast hosts Alison Beard and Adi Ignatius interview four chief executives from different industries and geographies to better understand where global business is going. In this episode, Alison speaks with Sim Tshabalala, the CEO of Standard Bank. He explains how his childhood in apartheid South Africa informed his decision to go into finance, why purpose drives the company's approach to everything from strategy to customer service, and the role he believes businesses like his must play in promoting sustainable growth.