From negotiating with policymakers at 16 to advising in the boardrooms of Fortune 50 companies at 24, this activist has made a name for themselves by rallying millions of people around the world to take action on the climate crisis. Join this session to hear why the world can't afford to continue with business as usual, and how brands can lead the change by ditching greenwashing and inviting new voices into the room. Expect the unexpected with our Secret Speaker series, where leaders at the forefront of change share transformative insights and compelling narratives. The speaker's identity is a mystery until the moment they appear on stage – so you'll need to attend to find out who they are.