6) Prince Alwaleed Bin Talal Alsaud – Net worth: $22.6 Billion

This 60 year old Saudi Arabia self-made billionaire is one of the world’s most high-profile investors. He owns a broad swath of stakes in private and public companies in the US, Europe and the Middle East, mostly through Kingdom Holding Co., a diversified investment company with interest in financial services, real estate, hotels, media, entertainment, and technology.

5) Dilip Shanghvi – Net worth: $21.9 Billion (India)

This year’s biggest gainer is pharmaceutical billionaire, Dilip Shanghvi who is the owner and founder of Sun Pharmaceutical Industries, India’s most valuable drug company with market capital of $31 billion. He started Sun in 1983 as a maker of psychiatric drugs borrowing $160 from his father.

According to Forbes, Shanghvi is now the India’s richest man thanks to shares surged of Ranbaxy Laboratories a company he acquired from Japan’s Daiichi Sankyo for $4 billion in 2014. He overtook Reliance Industries Ltd’s Chairman Mukesh Ambani.