I've had a chance to attend one of his guest talks and talk to him for a few minutes after it. He came across as a very modest and smart guy. He has graduated f

I've had a chance to attend one of his guest talks and talk to him for a few minutes after it. He came across as a very modest and smart guy. He has graduated from Wharton, had previously launched a detergent product Dropps which was very successful. I am not surprised that he is doing something nice.