Macquarie is entering a new era. After nearly four decades at the investment bank and almost eight years as chief executive, Shemara Wikramanayake is stepping down, handing over to veteran executive Greg Ward after overseeing a period of record profits, surging share prices and growing global influence.

Bloomberg finance reporter Richard Henderson joins Rebecca Jones to unpack Wikramanayake's legacy, why Ward emerged as the board's choice, and the challenges awaiting him — from slowing mortgage growth to regulatory scrutiny and preserving the entrepreneurial culture that has long set Macquarie apart from its rivals.