He used whiteboards and physical movement to illustrate his concepts, according to people he worked with.
I would call him a "kinesthetic doodler." He was a person who seemed to think better while making spontaneous actions with his body.
CNN: Is the business world opening up to this?
Sunni Brown: That is my fervent prayer, but leadership and management need to drive it and they need to cultivate organizational cultures that recognize its value and apply it in a way that makes sense for that business context.
Most of us have preconceived ideas about doodling. There's a lot to overcome. I have seen working cultures that get it and its use is a no-brainer for them, and there are areas where people are embracing it whole-heartedly.
In my view, people are far more open to it than they ever were but there's still a long road ahead before it's fully understood and applied.