Steve Ballmer Joins Microsoft Company

On 11/06/1980, Steve Ballmer officially joined Microsoft after being recruited by his former Harvard classmate Bill Gates, becoming the company’s first business manager. At the time, Microsoft was a small but growing software firm headquartered in Bellevue, Washington, and Ballmer was counted as roughly the 30th employee, though some accounts list him as the 24th. To take the role, Ballmer left the MBA program at Stanford Graduate School of Business. His arrival marked a shift in Microsoft’s internal structure, as Gates and co-founder Paul Allen focused primarily on software development while Ballmer assumed operational responsibilities. Ballmer’s initial compensation reportedly included a salary of $50,000 per year along with a 10 percent share of the profits he generated. His early duties covered recruitment, finance, contract negotiations, and general administration during a period when Microsoft was expanding its programming language business and negotiating agreements with hardware manufacturers. By taking over business operations, Ballmer helped formalize hiring and management processes as the company prepared for larger partnerships. In 1981, when Microsoft incorporated, Ballmer renegotiated his compensation. He exchanged the profit-sharing arrangement for an equity stake, receiving approximately 8 percent of the company. This ownership position later made him one of Microsoft’s largest individual shareholders and tied his role closely to the company’s long-term growth following the release of MS-DOS and the IBM PC in 1981.