Free Webinar | Feb 23: How to Turn a Side Hustle into a Multibillion-Dollar Marketing Platform Posted by dumbcapital | Feb 2, 2021 | Startup News, Uncategorized | 0 | In the next episode of our Leadership Lessons series, host Jason Nazar of Comparably will speak with self-made billionaire Ben Chestnut, co-founder/CEO of Mailchimp — the world’s leading marketing platform for small businesses.