Here are the slides for some of my (more or less) recent talks.

Big data, social networks, and human behavior, United Nations Headquarters, July 2012.

Taxonomy of networks from community structure, Harvard Biostatistics, April 2012.

Complex networks (parts 1 & 2), Complex networks (part 3), Business Complexity, Boston, October 2011.

A taxonomy of networks, Lisbon, September 2010.

"Multislice" community detection, MIT, Cambridge MA, May 2010.

Introduction to social networks, Northeastern University, Boston, May 2010.

Networks in 20 minutes, Harvard University, April 2009.

Using mobile phones to study social networks, Oxford University, January 2009.