Title: Professor
Department: Sociology
Email: djw24@columbia.edu
Web: http://www.sociology.columbia.edu/fac-bios/watts/faculty.html
http://smallworld.columbia.edu/watts.html

Associated Faculty

Andrew Gelman

Title: Professor
Department: Statistics, Political Science
Email: ag389@columbia.edu
Web: http://www.stat.columbia.edu/~gelman/
http://www.stat.columbia.edu/~gelman/blog/

Michael Kearns

Title: Professor
Department: Computer Science, UPENN
Email: mkearns@cis.upenn.edu

Chuck Sabel

Title: Professor
Department: Law
Email: cfs11@columbia.edu
Web: http://www2.law.columbia.edu/sabel/

Chris Wiggins

Title: Professor
Department: Applied Physics
Email: chw2@columbia.edu
Web: http://www.columbia.edu/~chw2/

Graduate Students

John Benlin Lee

Department: Sociology
Email: jbl2007@columbia.edu

Resarch Interests: network dynamics, social cognition, and collective problem solving

Roby Muhamad

Department: Sociology
Email: rm922@columbia.edu
Web: http://cdg.columbia.edu/~roby/

Resarch Interests: social netowrks, epidemiology, history

Former Students and Post-Docs

Alexandre Hannud Abdo

Title: Visiting Scholar
Department: ISERP
Email: abdo@member.fsf.org

Emily Erikson

Department: Sociology
Email: eae33@columbia.edu

Nobuyuki Hanaki

Title: Research Fellow
Department: Earth Institute
Email: nh85@columbia.edu
Web: http://www.dpipe.tsukuba.ac.jp/~hanaki/index.html

Eric Bruce Johnson

default picture when we don't have the member's photo

Department: Sociology
Email: ebj2001@columbia.edu

Gueorgi Kossinets

Department: Sociology
Email: gk297@columbia.edu

Dunia Lopez-Pintado

Title: Research Fellow
Department: ISERP
Email: dl2244@columbia.edu
Web: http://pareto.uab.es/dunialopez/

Resarch Interests: social networks and contagion dynamics

Alex Peterhansl

Department: Economics
Email: ap11@columbia.edu
Web: http://www.columbia.edu/~ap11/

Matt Salganik

Department: Sociology
Email: mjs2105@columbia.edu
Web: http://www.columbia.edu/~mjs2105/
http://sociology.princeton.edu/Faculty/Salganik/

Resarch Interests: social aggregation, networks, methodology, culture

Mahesh Somashekhar

Department: Industrial Engineering & Operations Reserach
Email: mhs2004@columbia.edu

Amy Lynn Widsten

Department: Political Science
Email: alw38@columbia.edu
Web: http://www.columbia.edu/~alw38/

Resarch Interests: international cooperation; specifically, the reciprocal impacts of domestic and international institutions on dynamics of international bargaining and negotiation, as well as foreign policy outcomes.