Bill Gates had a career at Microsoft after helping to found the company.
In 1975 , Gates and Paul Allen co-founded Microsoft , which became the world 's largest PC software company.
During his career at Microsoft , Gates held the positions of chairman , CEO and chief software architect , while also being the largest individual shareholder until May 2014.
Gates stepped down as chief executive officer of Microsoft in January 2000 , but he remained as chairman and created the position of chief software architect for himself.
In June 2006 , Gates announced that he would be transitioning from full-time work at Microsoft to part-time work and full-time work at the Bill & Melinda Gates Foundation.
He stepped down as chairman of Microsoft in February 2014 , taking on a new post as technology adviser to support the then newly appointed CEO Satya Nadella.
