Kevlin Henney is a independent consultant, trainer, technologist, writer and renowned keynote speaker known for his work helping organisations, teams and individuals with their software development practices, processes, architectures and the human side of development. With a career spanning decades, he has become one of the most respected voices in the global developer community, known for his deep insights into code quality and agile processes. A frequent keynote speaker at major international conferences, Kevlin is celebrated for his ability to challenge industry dogmas and his advocacy for 'lean code'. He is a contributor to the Modern Software Engineering YouTube channel, co-author of two volumes in the Pattern-Oriented Software Architecture series, editor of 97 Things Every Programmer Should Know, co-editor of 97 Things Every Java Programmer Should Know, and has written for many other publications, including O'Reilly Radar and The Register.