15. Andres Santo Domingo is heir to a beer giant.
Age: 41
Net worth: $4.3 billion
Industry: beverage
Andres Santo Domingo's fortune is rooted in Anheuser-Busch InBev, which acquired beer giant SABMiller in 2016 for $100 billion. His father, Julio Mario, had a multibillion-dollar stake in SABMiller, which Andres inherited when Julio Mario died in 2011.
According to Forbes, he's a chairman on the boards of Conservation International and the New York Public Library.
14. Robert Pera is the founder and CEO of Ubiquiti Networks.
Age: 41
Net worth: $6.4 billion
Industry: tech
Robert Pera founded wireless equipment maker Ubiquiti Networks, which sells wireless broadband systems largely to emerging markets. Pera owns nearly 75% of the company. In 2017, Ubiquiti generated $865 million in revenue.
As Business Insider's Marissa Perino previously reported, he's also one of the richest people in Silicon Valley.
13. Sean Parker is a venture capital investor and philanthropist.
Age: 39
Net worth: $2.7 billion
Industry: tech
Sean Parker had a brief stint at age 24 as Facebook's president, which is where his fortune largely stems from. Parker invested in Spotify in 2010, leaving the Board of Directors in June 2017. In 2015, he created the Parker Foundation, which later established the Parker Institute for Cancer Immunotherapy.
Despite being the founding president of Facebook, Parker criticized the company at an Axios event in 2017, saying, "God only knows what it's doing to our children's brains."
12. Joe Gebbia is the co-founder and chief product officer of Airbnb.
next slide will load in 15 secondsSkip AdSkip Ad11. Brian Chesky is the cofounder and CEO of Airbnb.
10. Ernest Garcia III is the CEO and cofounder of Carvana.
Age: 37
Net worth: $2.3 billion
Industry: tech
Ernest Garcia III began Carvana, an ecommerce platform for buying and selling used cars, in 2012; it also offers financing services. In 2017, Garcia took Carvana public, raising $225 million.
9. Lynsi Snyder is owner and heiress to In-N-Out Burger.
8. Nathan Blecharczyk is the cofounder and chief strategy officer of Airbnb.
7. Scott Duncan is an heir to Enterprise Products Partners.
Age: 36
Net worth: $6.3 billion
Industry: oil
Along with his three siblings, Scott Duncan inherited a stake in his father Dan Duncan's pipeline firm, Enterprise Products Partners, in 2010. The company owns natural gas processing plants, oil and gas storage facilities, and oil and gas pipelines. Duncan isn't actively involved.
The Duncans are one of America's wealthiest families: Collectively, they have a net worth of $24.8 billion.
next slide will load in 15 secondsSkip AdSkip Ad6. Dustin Moskovitz cofounded Facebook and Asana.
5. Mark Zuckerberg is the cofounder and CEO of Facebook.
4. Julio Mario Santo Domingo III is an heir to one of the world's biggest beer fortunes.
Age: 34
Net worth: $2.1 billion
Industry: beverage
Julio Mario Santo Domingo III's late grandfather owned a large stake in SABMiller after it was acquired by his brewer Bavaria. In 2016, Anheuser-Bush InBev acquired SABMiller for $100 billion. Santo Domingo is an heir to the fortune and a disc jockey for the group Shek 'N' Beik.
3. Lukas Walton is heir to the Walmart fortune.
2. Bobby Murphy is the cofounder and Chief Technology Officer of Snapchat.
next slide will load in 15 secondsSkip AdSkip Ad1. Even Spiegel is the cofounder and CEO of Snapchat.