Adani Group’s 59-year-old Chairman Gautam Adani has overtaken Berkshire Hathaway’s 91-year-old CEO Warren Buffett to become the world’s fifth-richest person with a net worth of over $123.7 billion. The Indian infrastructure mogul had become the richest Asian billionaire in history earlier this month. Adani is the founder and chairman of Adani Group, a port and energy conglomerate with six publicly traded companies in India. 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.There are now only four people on the planet richer than Adani, according to Forbes’ real-time billionaire tracker: Microsoft cofounder Bill Gates (worth an estimated $130.2 billion), French luxury goods king Bernard Arnault ($167.9 billion), Amazon founder Jeff Bezos ($170.2 billion) and Tesla and SpaceX chief Elon Musk ($269.7 billion).