PowerApps Guide is an independent website that provides help and resources for PowerApp developers. The site is run by Tim Leung, a software developer and PowerApps builder.

Tim specialises in designing and building large scale commercial applications. He is the author of the first book on PowerApps (Apress Beginning PowerApps), and an expert in the field of rapid application development. He has previously written books on software development with Microsoft Visual Studio LightSwitch.