Some of the most successful entrepreneurs in America are in their 20s and 30s, and have already made a name for themselves in the worlds of tech, consumer goods, entertainment and more. These young, rich entrepreneurs are proving you don't need to wait until later in life to build the career of your dreams — and make a lot of money while doing it.
Ryan Graves
Net worth: $1.6 billion Age: 35 Main source of income: Uber
Ryan Graves was hired as Uber's first employee back in 2010. Since joining the ride-hailing app, he has held the positions of CEO, president and senior vice president of global operations. He announced that he was resigning from the company in August 2017, shortly after co-founder Travis Kalanick was forced to resign as CEO. Graves continues to serve on Uber's board of directors.
Drew Houston
Net worth: $2.3 billionAge: 35 Main source of income: Dropbox
Drew Houston co-founded the file-sharing service Dropbox in 2007 when he was just 24 years old. He now serves as CEO and owns 25 percent of the company, which went public in 2018.
Adam Neumann
Net worth: $2.5 billionAge: 39 Main source of income: We Work
Adam Neumann co-founded WeWork, which rents out communal office spaces around the world. Neumann now serves as WeWork's CEO. The company's investors include Goldman Sachs and SoftBank, and it's valued at $21 billion, Forbes reported.
Ben Silbermann
Net worth: $1.6 billionAge: 36 Main source of income: Pinterest
Thanks to Ben Silbermann, you can digitally pin your favorite home decor ideas, wedding inspiration, hairstyles and more right to your mobile phone or computer. The 36-year-old is one of the co-founders of Pinterest, and now serves as the company's CEO.
Evan Spiegel
Net worth: $1.6 billion Age: 28 Main source of income: Snapchat
Evan Spiegel founded Snapchat in 2011, and became one of the youngest CEOs of a public company when Snap Inc. had its public offering in 2017” he was 26 at the time. Spiegel owns 18 percent of Snap Inc., according to Forbes.
Kevin Systrom
Net worth: $1.2 billionAge: 34 Main source of income: Instagram
Kevin Systrom co-founded Instagram in 2010 and served as its CEO at the time of the app's sale to Facebook for $1 billion. In September 2018, Systrom announced that he was leaving the company to build something new.
Mark Zuckerberg
Net worth: $53.8 billion Age: 34 Main source of income: Facebook
Despite a rocky year for Facebook, its co-founder, chairman and CEO Mark Zuckerberg remains one of the richest entrepreneurs under 40. Zuckerberg founded Facebook back in 2004 when he was only 19; the company went public in May 2012.