The speaker recalls that Lean began with him and some students and that he visited Leo at Microsoft to work on the project.

“Um, um, I mean, for both of us it's been, I mean, the last several years has been surreal. I mean, we c- we just remember the early days of Lean. You know, I, yeah, again, I can remember when it was just me and some students, and I, I remember my time visiting Leo at Microsoft and working on the project.”