Karl E. Wiegers (born 1953) is an American software engineer, consultant, and trainer in the areas of software development, management, and process improvement. He is the author of numerous books and articles mainly focused on software requirements, project management, process improvement, quality, design, and consulting. He is also the author of a forensic mystery novel titled The Reconstruction and a memoir of life lessons titled Pearls from Sand: How Small Encounters Lead to Powerful Lessons.
Karl received a B.S. degree in chemistry from Boise State College (1973), and M.S. (1975) and Ph.D. (1977) degrees in organic chemistry from the University of Illinois. Karl spent 18 years, from 1979 until 1998, at Eastman Kodak Company as a photographic research scientist, software developer, software manager, and process and quality improvement leader.
In 1997, Karl started his own software process consulting and training company, Process Impact, which focuses on practical software process improvement. Karl also is an amateur musician, having played guitar since he was 12. He has written and recorded numerous songs.