Mattan Griffel

Mattan Griffel is the co-founder and CEO of Y Combinator-backed One Month, the first online school for accelerated learning. Mattan created One Month Rails, the bestselling online Ruby on Rails course for beginners to learn how to build web applications. He’s also the New York City ambassador to the Thousand Network, a collection of young leaders around the world, and was selected as one of Forbes’ 30 Under 30 in Education this year.