Bill Gates steps down after 45 years on Microsoft board. Gates had stopped indulging in Microsoft’s daily operations a decade ago. Gates and Paul Allen co-founded Microsoft in 1975. Allen, a childhood friend of Gates, stepped down in 1983. He died of cancer in 2018. One of the world’s richest man, Gates owns 1.36% of Microsoft’s shares. He has also stepped down from the board of Berkshire Hathaway.He intends to use the time for philanthropy.