Bill & Melinda Gates Foundation conducts all operations and grantmaking work, and it is the entity from which all grants are made". Also announced was the decision to "... spend all of [the Trust's] resources within 20 years after Bill's and Melinda's deaths". This would close the Bill & Melinda Gates Foundation Trust and effectively end the Bill & Melinda Gates Foundation. In the same announcement it was reiterated that Warren Buffett "... has stipulated that the proceeds from the Berkshire Hathaway shares he still owns at death are to be used for philanthropic purposes within 10 years after his estate has been settled". The
Bill Gates since working on the TRS-80 Model 100, but as late as 1989 he wrote code that shipped with the company's products. He remained interested in technical details; in 1985, Jerry Pournelle wrote that when he watched Gates announce Microsoft Excel, "Something else impressed me. Bill Gates likes the program, not because it's going to make him a lot of money (although I'm sure it will do that), but because it's a neat hack." On June 15, 2006, Gates announced that over the next two years he would transition out of his day-to-day role to dedicate more time to philanthropy. He