Peter Armstrong is the founder and CEO of Leanpub. He has almost two decades of experience in software, half of it as a developer at Silicon Valley startups. He founded Ruboss in 2008, and launched Leanpub in 2010.

Peter is also the author of a number of books, including Lean Publishing, The Markua Specification and Programming for Kids. He has a BSc in Computer Science and Psychology from the University of Victoria.

Peter coined the term "lean publishing" to describe the act of self-publishing an in-progress ebook. Leanpub was created based on the principles of lean publishing. He lives in Victoria, BC with his wife and son.