He is best known as the co-founder of Microsoft Corporation, which he founded with Paul Allen in 1975. Microsoft became the world’s largest personal computer software company. Gates played a significant role in the development of the personal computer revolution and the software industry. He was the CEO of Microsoft until 2000 and remained actively involved in the company’s operations until he stepped down from his day-to-day role. After leaving Microsoft, Gates has focused on philanthropy through the Bill & Melinda Gates Foundation, which he co-founded with his then-wife Melinda in 2000. The foundation works on various global health, education, and poverty alleviation initiatives.