Zack has been an entrepreneur since the age of fourteen, when he started his first company called Neighborhood Knowledge (an early version of NextDoor).

Aside from his own businesses under the parent brand Daydreamer Ventures, he has consulted as a marketing and sales leader for a wide range of startup and enterprise businesses from Nike and Superhuman to The Honest Co. and Tesla.

He has published several books, spoken in front of hundreds at SXSW, and been featured as an expert by Forbes, Entrepreneur, Inc., TechCrunch, and Conscious Magazine.