William Henry Gates III, also known as Bill Gates, is an American software developer, entrepreneur, and philanthropist. He co-founded Microsoft Corporation in 1975 with Paul Allen and played a key role in the development of personal computing. Under Gates’ leadership, Microsoft became one of the largest and most successful software companies in the world. It produces popular products such as the Windows operating system, Microsoft Office, and Internet Explorer. In addition to his business success, he and his ex wife, Melinda Gates, co-chair the Bill & Melinda Gates Foundation. The foundation supports initiatives in global health, education, and poverty alleviation, among other areas. His net worth is currently $106.2 billion.