The last 10 years of Joel Grossman’s life started with a seemingly casual introduction through a business school friend to Location Labs CEO Tasso Roumeliotis. “I was getting my MBA and looking for a Bay Area tech internship, but I wanted to work for a company with a business model I really believed in,” he says. After a phone screen and a quick interview — and offering to work for free that summer — Grossman landed the role. “I showed up and found an empty desk, and that was the beginning.”