"When I started, I wasn't an investor at a16z. I was in a back-office role, but I wanted to build my network." @a16z Investment Partner @GEVS94 says he broke into venture by relentlessly helping founders before he was even an investor: "I used to call unicorn founders in Latin America and say, 'I work at a16z. I'm not an investor, but I'd love to help.'" "One of the founders who took my call was building a company that eventually reached around a $5 billion valuation." "I was relentless.…