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

Peter coined the term Lean Publishing. Lean Publishing is the act of publishing an in-progress book using lightweight tools and many iterations to get reader feedback, pivot until you have the right book and build traction once you do.

Peter is the creator of Markua, the Markdown dialect used on Leanpub. He is the author of a number of books, including Lean Publishing, Aphantasia and Programming for Kids. He has a BSc in Computer Science and Psychology from the University of Victoria, and he and his wife live in Victoria, BC.