1. Kylie Jenner
Age: 22
Net worth: $1B
Although she first became known as a member of the E! reality television series Keeping Up with the Kardashians, Kylie Jenner has since made a name for herself as an entrepreneur. At the age of 14, she and her sister Kendall launched their clothing line, Kendall & Kylie. In 2015, Kyle created a cosmetics company called Kylie Lip Kits, which was later rebranded as Kylie Cosmetics. Her success may be attributed to her considerable social media presence. Case in point: she boasts an astonishing 150 million Instagram followers.
2. Sisters Alexandra Andresen and Katharina Andresen
Respective ages: 23 and 24
Net worth: $1.4B each
Norwegian sister heiresses Alexandra Andresen and Katharina Andresen are the daughters of Johan H. Andresen Jr., owner of Ferd, a Norwegian investment company that manages hedge funds, actively invests in the Nordic Stock Exchange, and boasts a substantial private equity portfolio. In 2007, the Andresen sisters each received a 42.2% ownership stake in the company.1
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Alexandra and Katharina Andresen.
3. Gustav Magnar Witzoe
Age: 27 years
Net worth: $3B
Gustav Magnar Witzoe owns nearly half of SalMar ASA, one of the world's largest salmon producers, which spearheaded the industrialization of salmon farming in Norway. The stake in the company was handed to him in 2013 by his father, Gustav Witzoe Sr., who still runs the company's day-to-day operations, freeing Gustav to invest in real estate and tech startups.1
4. Evan Spiegel
Age: 29 years
Net worth: $2.1B
Evan Spiegel is the co-founder and CEO of Snap Inc., the camera company that operates vanishing photo app Snapchat. Spiegel studied product design at Stanford University, where he met his co-founder and fellow billionaire, Bobby Murphy.
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Evan Spiegel.
6. John Collison
Age: 29 years
Net worth: $2.1B
John Collison is the owner and co-founder of Stripe, a company that builds software helping businesses facilitate online credit card payments. The Irish entrepreneur launched the company with his brother Patrick when they were both college students. After a recent round of funding, the company is valued at a whopping $20 billion.