Mattan is a two-time Y Combinator-backed startup founder, an award-winning faculty member at Columbia Business School, investor, writer, speaker, and author of Python for MBAs.

Mattan co-founded Ophelia, an online treatment platform for opioid addiction, and One Month, an online accelerated learning platform. He is also an Innovation Fellow at the Lang Center for Entrepreneurship and was selected as one of Forbes' 30 Under 30 in Education.

Mattan advises startup founders and executive on growth, scaling, product, and team challenges. He has worked with companies like Goldman Sachs, Bloomberg, Condé Nast, and American Express, and his work has been featured in the New York Times, Wall Street Journal Forbes, BusinessWeek, and the MIT Technology Review.

Mattan studied Philosophy and Finance at New York University and wrote his thesis on the metaphysics of consciousness under David Chalmers and Ned Block.

For inquiries, you can email him or connect with him on LinkedIn. Or go here to explore startup coaching.

​​"He is who I wish I was when I was his age." 
– Jay Weintraub, Founder of Grow.co​

"Mattan knows more about the tech startup scene in NYC (and in general) than anybody else I know."
– Nico Luchsinger, Founder of the Sandbox Network

"One of the best professors I've had at CBS."
– Student at Columbia Business School