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Ashton Kutcher -

It is common knowledge that Hollywood heartthrob Ashton Kutcher is a keen investor in the tech industry. By 2015, he had invested in no fewer than 51 tech companies.

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Ashton Kutcher -

It is perhaps less common knowledge that the actor also founded Katalyst, a company that organizes exciting media events for entertainment and tech.

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Leonardo DiCaprio -

He might not be the Wolf of Wall Street in real life, but Leonardo DiCaprio is certainly no slouch when it comes to tech investments. He famously invested in the photo-sharing app Mobli.

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Leonardo DiCaprio -

Although his cash investment was less than some thought, he advised the (now-defunct) company on marketing and branding. Sources suggest DiCaprio also has other tech investments.

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Robert Downey Jr. -

Award-winning actor Robert Downey Jr. has skills both on and off screen. As well as being into the arts, he has a penchant for tech company investments.

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Robert Downey Jr. -

His investment firm Downey Ventures pumps money into tech start-ups and entertainment companies. He is also involved in investments with a sustainability focus.

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Lady Gaga -

At one point, Lady Gaga was heavily invested in a tech start-up called Backplane. She owned 20% of the company, while the rest was owned by the likes of Google CEO Eric Schmidt.

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Lady Gaga -

Backplane unfortunately crumbled, and they failed to roll out the project. However, the 'Born This Way' singer has also been associated with other tech companies, such as Polaroid.

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Justin Timberlake -

Musician and actor Justin Timberlake is, like Ashton Kutcher, an avid tech investor. For years now he has been putting money into a range of technology companies.

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Justin Timberlake -

Most famously, he put an unknown amount of money into Myspace when the company was sold for US$35 million in 2011, and it was said he'd play a "major role" in the website's new direction.

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Jared Leto -

Jared Leto moonlights as a tech investor. Over the years, he has invested in a number of Silicon Valley start-ups, including Zenefits, Surf Air, and Wish.

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Jared Leto -

In 2014, the musician and actor was invited to give a talk about investment strategy at BoxWorks, a technology conference held by file-storage company Box.

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will.i.am -

It is perhaps not surprising to hear that former Black Eyed Peas front man will.i.am is a tech nerd. The hover cars in the group's music video content should have given it away!

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will.i.am -

But for will.i.am, technology is more than just an interest: he has worked for Intel producing expressive music and even advising on laptop and tablet designs.

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Bono -

In 2004, Bono founded the private equity firm Elevation Partners, which he named after the U2 song 'Elevation.' The focus of the firm's investments was tech companies.

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Bono -

Elevation Partners invested in a number of companies, including Yelp, Facebook, and Dropbox, although their portfolio officially closed in 2015.

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Karlie Kloss -

Former Victoria's Secret Angel Karlie Kloss is another celeb who knows programming. She can fly drones using code and is fluent in the programming language Ruby.

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Karlie Kloss -

The model also created a scholarship, Kode with Karlie, in 2015, which was aimed at women interested in programming at the Flatiron School in New York.

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Jimmy Fallon -

A tech career is the path not trodden for talk show host Jimmy Fallon, who almost completed a college degree in programming before switching to a communications major.

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Jimmy Fallon -

The decision to switch disciplines worked out, of course, but programming still holds a place in his heart. He once said, "If there’s a computer-programming sketch, I will somehow make that happen.”

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Magic Johnson -

Former NBA star Magic Johnson is a famous venture capital investor. In 2011, he invested millions in Detroit Venture Partners.

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Magic Johnson -

Detroit Venture Partners has been around since 2010, and focuses on supporting early stage tech companies with high potential.

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MC Hammer -

Hip-hop legend MC Hammer has been involved in a number of tech business ventures over the years. In 2007, he founded DanceJam, a (now-defunct) social media platform where people could share their dance moves.

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MC Hammer -

MC Hammer has consulted for a number of tech companies and even once performed at the TechCrunch Disrupt conference. He has also given talks about social media in marketing.

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Trent Reznor -

Trent Reznor of Nine Inch Nails is another front man who has forayed into tech. In January 2013, he was chosen to work on creative designs for Beats Music, now Apple Music.

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Trent Reznor -

There was some speculation as to what would be Reznor's actual role in the project, but in the end he was appointed Chief Creative Office and was the "point man" for the project.

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Chamillionaire -

Rapper Chamillionaire might easily be described as a one hit wonder—he put out his hit song 'Ridin' in 2005 and hasn't really been heard from since. He has been directing his efforts elsewhere.

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Chamillionaire -

The award-winning musician invested in Upfront Ventures along with entrepreneur Mark Suster, and after a time he was made Entrepreneur in Residence at the firm.

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JR Hildebrand -

He may be famous for driving fast cars, but John R. Hildebrand also has a great brain for science. He was actually accepted into MIT, but he decided to go down the racing route instead.

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JR Hildebrand -

Having once told Bloomberg that math and science is still a "part of his blood," he committed to partnership with Khan Academy and Code.org to create and promote lessons.

Sources: (Insider) (Vulture) (Forbes)

See also: Celebrities who've joined the NFT craze

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