Julia Koch joined the world’s top wealthiest women after her husband, billionaire industrialist David Koch, passed away in August 2019. Together with their three kids, Julia inherited a 42 per cent stake in Koch Industries that the seventh richest American co-owned. As of March 2022, Bloomberg estimates her and her family’s net worth to be U$58.4 billion. Forbes , on the other hand, estimates their wealth to be even higher, at US$61.9 billion. Regardless of the actual numbers in her bank account, this billionaire, socialite and philanthropist is worth knowing for her remarkable style, work and generosity. 1. She worked as an Adolfo assistant Born in Iowa, US, in 1962, Julia Margaret Flesher is the daughter of Margaret and Frederic Flesher, who owned a furniture store. They moved to Arkansas when she was eight years old, where her parents opened a “beautiful” clothing shop, per The New York Times . Inside Theranos CEO Elizabeth Holmes and Billy Evans’ marriage After graduating from the University of Central Arkansas, Julia moved to New York. She landed a job as an assistant to fashion designer Adolfo, where she worked with many of his high-profile clients, including former US first lady Nancy Reagan. 2. She met David Koch through a blind date Julia, 27, met her would-be husband, David, 50, via a blind date in 1991. The pair, however, did not instantly hit it off. “I’m glad I met that man because now I know I never want to go out with him,” she has been widely quoted as exclaiming at the time. Later that year, though, the two would cross paths again at a party. She approached him after the latter had a near-death experience due to a plane crash. After five years of dating, the couple tied the knot in 1996 at Koch’s home in Southampton, Long Island. They had three kids, David Jr. and Mary Julia, who attend Duke and Harvard, respectively, and John Mark, a student at a Manhattan prep school. 3. She became a New York socialite After marrying David, she found her footing on the New York social scene, presiding over benefits for the American Ballet Theater and the American Museum of Natural History. She made her “New York society debut” as co-chair of the Met Gala in 1997, along with Anna Wintour and Patrick McCarthy. The highest earning rappers of 2021 revealed – net worths, ranked 4. She owns an impressive property portfolio Julia and David used to live in a Fifth Avenue flat that was once owned by US former first lady Jacqueline Kennedy Onassis. They bought it in 1995 for US$9.5 million, according to the Times . David Koch's Southampton house is largest residential water user in Suffolk County, Long Island-- 6m gallons/3 mos. https://t.co/BCncUh29hY pic.twitter.com/hZILX39jZM — Michael Gerrard (@MichaelGerrard) July 18, 2017 In 2004, the couple changed their primary residence to a massive 18-room duplex at 740 Park Avenue. Julia, however, put the ritzy Manhattan flat on the market in 2022, as she was reportedly spending more time at their other houses – an oceanfront mansion on “Billionaire Lane” in the Hamptons, a 30,000-sq-ft mansion in Palm Beach, Florida, and another high-priced property in Aspen, Colorado. 5. She has donated millions to various causes At present, Julia serves as the president of the David H. Koch Foundation, which has given more than US$200 million to various causes including for science medical research, education, and the arts, according to its website. 9 handsome world leaders, from Volodymyr Zelensky to Justin Trudeau She and her late husband have also made hefty donations to well-known institutions such as the Lincoln Center and the Metropolitan Museum of Art. Want more stories like this? Follow STYLE on Facebook , Instagram , YouTube and Twitter .