She has focused much of her attention on the work of the Mars Foundation, the candy maker’s philanthropic arm. Jacqueline served on the board of Mars until 2016 and worked for the company for 20 years. Jacqueline owns an estimated one-third of the company, along with her brother, John, and the four daughters of her late brother, Forrest Jr. Jacqueline Mars is the granddaughter of Frank Mars, founder of the Mars candy company. Rinehart is Australia’s richest person and largest landholder, The Guardian reported. Rinehart also is Australia’s second-largest cattle producer, Forbes reported. She became the company’s executive chairwoman in 1992 and now oversees a money-making company that counts the Roy Hill mining project as its largest asset. Gina Rinehart: $28.5 BillionĪustralian Gina Rinehart took her late father’s company, Hancock Prospecting, and turned around the financially struggling business. Adelson Research Clinic in Las Vegas, where people struggling with opioid use can receive treatment. Known philanthropists, the couple founded the Dr. Las Vegas Sands sold its assets in the Nevada city for $6.25 billion in early 2022, holding on to its foreign properties, Forbes reported.Īdelson now makes her home in Las Vegas, but she grew up in Israel and worked as a doctor, specializing in addiction.

She gained that stake upon the death of her husband, Sheldon Adelson, who was the CEO and chairman of the company until his death in January 2021 at age 87. Miriam Adelson owns more than half of the casino company Las Vegas Sands, with casinos in Macao and Singapore. Take Our Poll: Do You Think Student Loan Debt Should Be Forgiven? Miriam Adelson: $27.5 Billion Their father, late industrialist Herbert Quandt, led BNW to its place of prominence in the auto industry. According to Forbes, her brother, Stefan Quandt, has a stake in the company of nearly 24% and she holds about 19% of the luxury automaker. She has a second company in her portfolio, too: BMW.

Forbes reported she is now the German company’s sole owner, which boasts annual sales in excess of $2.5 billion. Susanne Klatten put her background as an economist to work to help her grandfather build his Altana AG into a top pharmaceutical and specialty company. She is married to healthcare entrepreneur Christopher McKown. Johnson has taken a nontraditional approach at the helm of Fidelity, launching new products targeting millennials and embracing socially responsible investing and cryptocurrencies. She owns a 24.5% stake in Fidelity, which has managed assets of $4.2 trillion, Forbes reported. She earned an MBA from Harvard, worked summers at the family company and became an analyst there in 1988. Her grandfather founded the financial firm in Boston in 1946. The CEO and chairperson of Fidelity Investments, Abigail Johnson took over the executive role from her father in 2014. According to Forbes, son Jean-Paul Luksic chairs that company, while his brother, Andrónico Luksic, leads Quiñenco, a beer, banking and manufacturing conglomerate. The family fortune is based on the mining, banking and beverage industries.įontbana and her two surviving sons – a third died of lung cancer nearly 10 years ago – operate Antofagasta Plc, a Chilean copper mining conglomerate that trades on the London Stock Exchange. A resident of Chile, Iris Fontbana and her sons inherited their wealth from her husband and their father, Andrónico Luksic, who died of cancer in 2005.

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