We received the sad news that Jerry passed away on August 7, 2018. His work will live on in his many books and articles (some of which you will find here), and in the influence he had on us and many others. – Don & Esther

If you are trying to change your world, now more than ever, you need to see the system and act congruently.

This site is dedicated to the work of Jerry Weinberg, Esther Derby, and Don Gray. We offer workshops, web-based seminars, and coaching. We explore Software as a Human Activity Practiced Effectively (SHAPE) and Amplifying Your Effectiveness (AYE).