NRI Billionaires

LAKSHMI N. MITTAL

Estimated wealth: $16 billion

Flagship firm: ArcelorMittal

The executive chairman of ArcelorMittal began his career with his family's steel-making business in India, before moving to Indonesia in 1976 to set up a small steel company. It went on to become one of the world's largest steel firms with more than 190,000 employees and manufacturing plants in 18 countries.

JAY CHAUDHRY

Estimated wealth: $10 billion

Flagship firm: Zscaler

He founded a series of successful companies, including AirDefense, CipherTrust, CoreHarbor, SecureIT (which were all acquired), and the Nasdaq-listed Zscaler. The majority of his wealth is derived from Zscaler, a cloud security company headquartered in California, set up in 2008.

S.P. LOHIA

Estimated wealth: $5 billion

Flagship firm: Indorama

S.P. Lohia, founded PT Indo-Rama Synthetics — a cotton yarn spinning company — along with his father M.L. Lohia in 1975. It later became Indorama Corp., a diversified petrochemical and textiles powerhouse with products ranging from fertilisers, polyester, textiles, cotton fibre, and medical gloves. Its associate company, Indorama Ventures Public Co. Ltd., is the largest producer of PET Resin (a form of polyester) in the world.

SRIDHAR VEMBU & FAMILY

Estimated wealth: $3.8 billion

Flagship firm: Zoho

Sridhar Vembu is the founder and CEO of Zoho Corporation, the maker of web-based business tools. The company has more than 60 million users worldwide, and Vembu, the NRI who, since 2019, has been largely operating out of India, owns a majority stake in the Texas-headquartered Zoho along with his siblings.

RAKESH GANGWAL & FAMILY

Estimated wealth: $3.7 billion

Flagship firm: InterGlobe Aviation

The co-founder of IndiGo is an industry veteran whose family owns nearly 37% stake in parent company InterGlobe Aviation. The IIT Kanpur alumni co-founded India's largest airline by market share along with Rahul Bhatia in 2006, and currently lives in Miami, Florida.

HINDUJA BROTHERS (SRICHAND, GOPICHAND, PRAKASH & ASHOK)

Estimated wealth: $3.6 billion

Flagship firms: Ashok Leyland, IndusInd Bank, Gulf Oil Lubricants India, Hinduja Global Solutions, GOCL Corp.

The Hinduja Group's businesses include banking and finance; transport and energy, as well as new-economy sectors like technology, media and renewables, as well as a bank! Srichand is chairman of Hinduja Bank of Switzerland and Hinduja Foundations; Gopichand is co-chairman, Hinduja Group and chairman, Hinduja Automotive Ltd., UK; Prakash is chairman, Hinduja Group, Europe; and Ashok is chairman, Hinduja Group of Companies (India). The brothers own premium real estate across the world, including Winston Churchill's iconic 580,000 sq. ft. old war office building in London.