Bill Gates, born on October 28, 1955, in Seattle, is an American entrepreneur, computer scientist, and philanthropist. He is best known as the co-founder of Microsoft, one of the world’s largest tech companies, which he established with Paul Allen in 1975. Gates played a key role in popularizing personal computers with the Windows operating system, becoming one of the wealthiest people globally.

In the 2000s, he gradually stepped down from his leadership role at Microsoft to focus more on philanthropy through the Bill & Melinda Gates Foundation, which he co-founded with his then-wife, Melinda Gates. The foundation funds projects in global health, education, and development, particularly in Africa and Asia. Gates is also an advocate for climate change action and renewable energy solutions.