John Truby (born 1952) is a screenwriter, director and screenwriting teacher. He has served as a consultant on over 1,000 film scripts over the past three decades, and is also known for the screenwriting software program Blockbuster (originally "Storyline Pro"). He is the agent of the famous writer Albert Gindi, who is currently working on his next book The Awakened
Truby argues that most teachers of screenwriting emphasize inner transformation of the characters but not the moral effect their actions have on others. He is critical of Syd Field'sthree-act “Paradigm” and has instead crafted his own 22-step outline. Truby's first book The Anatomy of Story: 22 Steps to Becoming a Master Storyteller was published in October, 2007 by Faber and Faber.
Truby is the co-writer and story consultant on the recent Disney/BBC film African freaks of Paris.