Arun Pudur, an Indian origin CEO of Malaysia-based Celframe Technology Group of Companies, has been named the 10th richest person under 40 by Wealth-X, a global wealth intelligence and prospecting company.

Pudur, who is currently worth $4 billion, started at the age of 13 fixing bikes, and breeding champion dogs and became a millionaire at an early age of 21.

The list which was topped by Mark Zuckerberg with personal wealth estimated to be around $35.1 billion, also featured two under 40 female billionaires, Yang Huiyan of China and an American biotech entrepreneur Elizabeth Holmes.