Tech execs who are friends: Elon Musk, Larry Ellison, Jeff Bezos - Business Insider

Silicon Valley might be competitive, but it also appears to be a breeding ground for friendships among its famous execs.It makes sense: the tech world is home to some of the richest people in the world, and life can probably get a little lonely at the top. Elon Musk, for example, is close friends with Google cofounders Larry Page and Sergey Brin, as well as Twitter and Square CEO Jack Dorsey. Larry Ellison gave a eulogy at Steve Jobs' funeral, and he also has a love/hate relationship with cloud rival Marc Benioff. Visit Business Insider's homepage for more stories.

Bill Gates and Warren Buffett. Elon Musk and Larry Ellison. Jeff Bezos and Barry Diller. What do all these high-profile pairings have in common？ They're all close friendships within the world of tech. Silicon Valley may be known for its competitive spirit, but it's also fostered several years-long friendships among some of its most famous executives. Microsoft cofounder Bill Gates and investor Warren Buffett, for example, have been buddies for nearly 30 years. And Larry Ellison and Marc Benioff have been friends for decades, even though their respective enterprise software companies are technically rivals.Tesla and SpaceX CEO Elon Musk has several close pals in tech, including friends he's defended online or taken for Tesla test drives. Here's a closer look at some of the friendships among tech CEOs.