John Greene

John Green (born August 24, 1977) is an American author, YouTuber, and former educator, best known for writing critically acclaimed young adult fiction. After graduating from Kenyon College, he worked as a student chaplain at a children's hospital, an experience that deeply influenced his writing. He later rose to fame alongside his brother Hank through the popular YouTube channel Vlogbrothers, and co-created the educational platform Crash Course.

Green's debut novel, Looking for Alaska (2005), won the Michael L. Printz Award in 2006. He followed it with An Abundance of Katherines (2006) and Paper Towns (2008), the latter adapted into a 2015 film. In 2012, he published The Fault in Our Stars, a moving story about two teenagers with cancer that became a global bestseller and was made into a successful film in 2014. His other notable works include Turtles All the Way Down (2017), which explores mental illness, and his first nonfiction book, The Anthropocene Reviewed (2021), a collection of essays.

Known for his witty prose, philosophical themes, and authentic teenage voices, Green has become one of the most influential contemporary voices in young adult literature.