John Michael Green (born August 24, 1977) is an American author of young adult fiction, YouTube video blogger (vlogger), historian and creator of online educational videos. He won the 2006 Printz Award for his debut novel, "Looking for Alaska", and his most recent novel, "The Fault in Our Stars" debuted at number 1 on The New York Times Best Seller list in January 2012. The 2014 film adaptation opened at #1 at the box office. In 2014 Green was included in Time magazine's list of the 100 most influential people in the world.
Aside from being a novelist, Green is also well known for his YouTube ventures. In 2007 he launched the VlogBrothers channel with his brother, Hank Green. Since then, John and Hank have launched events such as Project for Awesome and VidCon and created a total of 11 online series including Crash Course, an educational channel teaching literature, history, and science.