Bill Gates Quotes : William Henry “Bill” Gates was born in Seattle, Washington, in 1955. He is an American business magnate, entrepreneur, philanthropist, investor, and programmer. In 1975, Gates and Paul Allen co-founded Microsoft, which became the world’s largest PC software company. In the process, Gates became one of the richest men in the world. In February 2014, Gates announced that he was stepping down as Microsoft’s chairman.