1Bill Gates – Networth $79.2 billion

Bill Gates has been the world’s richest person for the past 15 years. He is the founder of Microsoft. He dropped out of Harvard midway but by the looks of it didn’t cause him much harm. He now heads the Bill and Melina Gates foundation with his wife and has pledged to various causes of charity. He has also signed the Giving Pledge which will give at least half of their net worth to charity.