Photo: © John Keatley
About the Author
BILL GATES is a technologist, business leader, and philanthropist. In 1975, he cofounded Microsoft with his childhood friend Paul Allen. Today, he is cochair of the Bill & Melinda Gates Foundation, where he has spent more than twenty years working on global health and development issues, including pandemic prevention, disease eradication, and problems concerning water, sanitation, and hygiene. He has three children.