Karl Wiegers is Principal Consultant with Process Impact, a software development consulting and training company in Portland, Oregon. He has a PhD in organic chemistry. Karl is the author of 14 books, including Software Requirements Essentials (with Candase Hokanson), Software Development Pearls, The Thoughtless Design of Everyday Things, Software Requirements (with Joy Beatty), More About Software Requirements, Successful Business Analysis Consulting, and a forensic mystery novel titled The Reconstruction.
Karl has also written many articles on software development, design, project management, chemistry, military history, consulting, and self-help, as well as 18 songs. He has delivered hundreds of training courses, webinars, and conference presentations worldwide. When he's not at the keyboard, Karl enjoys wine tasting, volunteering (library and Meals on Wheels), playing guitar, recording songs (hear them at https://www.karlwiegers.com/songs.html), military history, and traveling.