Len Bass is an award-winning author who has lectured widely around the world. His books on software architecture are standards. In addition to his books on software architecture, Len has also written books on User Interface Software and DevOps. Len has over 50 years’ experience in software development, 25 of those at the Software Engineering Institute of Carnegie Mellon. He also worked for three years at NICTA in Australia and is currently an adjunct faculty member at Carnegie Mellon University, where he teaches DevOps.