![Warren Buffett, CEO of Berkshire Hathaway, speaks to the press as he arrives at the 2019 annual shareholders meeting in Omaha, Nebraska, May 4, 2019. (Photo by Johannes EISELE / AFP)](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/7GHEIRTNQM6SPJQMCTRMHVYLVY.jpg?smart=true&auth=f5460b8d8a521b22dd4c501a9582cddd5b28f310e1cc84f6ce4c09930b0af293&width=400&height=225)
Warren Buffett, 90, said he has been an 'inactive trustee' for years at The Gates Foundation. AFP
Warren Buffett, 90, said he has been an 'inactive trustee' for years at The Gates Foundation. AFP
Warren Buffett steps down as trustee of Gates Foundation
Billionaire has also donated half his wealth since pledging to do so 15 years ago