Before all that i most recently lead the PP+T product group (people, places, and things) at facebook. Before that i ran the 'identity' team, and launched timeline and several privacy projects.
i used to write a lot and stashed my old public writing here. i organized Y+30 originally in brooklyn. i founded drop.io, created little projects like letter.ly, csvemail, and a bunch of other experiments to play with information.
i personally invest in some of my friends' companies when they let me, like venmo, makerbot, birchbox and these
i love all things that have to do with skis and kites