Marc Andreessen has helped a lot of people get rich—including Marc Andreessen. He's made millions of people's lives more fun, more efficient, or just a little weirder while making himself into a billionaire.
He is the co-creator of the first widely used web browser and co-founder of the venture capital powerhouse Andreessen Horowitz. Though he hates the term unicorn—industry lingo for a private tech firm valued at more than a billion dollars—he's a famously successful unicorn wrangler: He was an early investor in Facebook, Pinterest, LinkedIn, Twitter, Lyft, and more.
