We are very grateful to have David Cochran from Purdue University as guest lecturer in our Summer School “Design of Complex Systems and AI in Design” teaching our students sustainable design of manufacturing systems and the MSDD approach. The first day of the Summer School took place on July 13, 2021 with a first introduction on Axiomatic Design by Dr. Erwin Rauch and the lecture about MSDD by Prof. David Cochran.