How I made a 5,000% return on a two-day vacation

In late 2013 I was facing a bit of a crisis. I had just launched Toofr a few months earlier and the service was failing. Earlier in 2013 I found a way to automate email guessing using a hidden API buried inside the Rapportive Chrome extension for Gmail. It worked amazingly well. It was fast, … Continue reading How I made a 5,000% return on a two-day vacation

Common outcomes of founder breakups

I recently wrote about the prevalence of breakups between founders of companies. So how do you prevent founder breakups? You should be able to call each other out and the other side needs to listen. I mean really listen, not just play lip service. Founders need to be proactive about cultivating trust between each other and those … Continue reading Common outcomes of founder breakups

Parallel entrepreneur profile: John Zimmer, Lyft

John Zimmer studied hospitality management at Cornell. He graduated in 2006 and joined Lehman Brothers, a prestigious investment bank, in order to get a better finance background but found himself bored within the first year of a two-year analyst program. When Logan Green, a friend of a friend, posted on Facebook that he was building … Continue reading Parallel entrepreneur profile: John Zimmer, Lyft