There has never been an immortal society. Figuring out why. I write on history, epistemology and strategy.

Serving multi-stage companies on a mission to build the future. Tomorrow, Built Today. http://medium.com/lightspeed-venture-partners

Wharton professor. Author: ORIGINALS & GIVE AND TAKE. NYT writer: work & psychology. Ex-diver. Arguing like I'm right, listening like I'm wrong

Public Policy, Data, and Cocktails

Professor at Columbia University; author of “The Curse of Bigness,” “The Attention Merchants,” and “The Master Switch;” veteran of Silicon Valley & Obama Admin.

Professor of Innovation at IE Business School and blogger (in English here and in Spanish at enriquedans.com)

Dad, husband, President, citizen. barackobamabooks.com