I really couldn't find that much informative info. on Stuart, but here is what I was able to find:
LinkedIn profile (500+ connections):
His Blog on losing weight/food:
His business blog (not that active):
Some of the people in his circle are interesting, lot of venture capital types (see off to the right).
Blog on stocks he handles:
I think we have all seen this famous photo of his father (Ed Fine the 9/11 "dust man"):