Bill Gates. Bill Gates is the Chairman of Microsoft. $78.5 billion are making him the richest man in the world. He is 57 years old man and he is living in the United States of America.Bill gates is not only the richest man in the world but he is also the most generous person in the world.ill Gates. Bill Gates is the Chairman of Microsoft. $78.5 billion are making him the richest man in the world. He is 57 years old man and he is living in the United States of America.Bill gates is not only the richest man in the world but he is also the most generous person in the world.