Gautam Adani became the richest Asian billionaire in history (in sheer dollar terms) earlier this month–and he’s kept on climbing.

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Adani has now passed Warren Buffett to become the 5th richest person in the world.

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59 year old Adani has a net worth of $123.7 billion, as of Friday’s market close, edging out the $121.7 billion fortune of Buffett, who is 91.

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Adani is the founder and chairman of Adani Group, a port and energy conglomerate with six publicly traded companies in India.

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Shares of each of those businesses are up by between 19% and 195% this year, as Adani has led aggressive expansion into renewable energy, media, airports and more.

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Earlier this month, Abu Dhabi’s International Holding Co., run by the brother of the United Arab Emirates’ crown prince, invested $2 billion in three of Adani’s green energy-focused firms.

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On Friday, Adani agreed to buy Ocean Sparkle, India’s largest marine services company, in a $220 million deal.

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