Name Title Office Phone
Barbara Valentine  Administrative Assistant Cub. 7Q Uris 212-854-3853 bev1@columbia.edu
Kirsten Valt  Administrative Manager 410 Armstrong 212-854-6060 kv2218@columbia.edu
Garrett van Ryzin  Paul M. Montrone Professor of Private Enterprise, Chair of Decision, Risk, and Operations 412 Uris 212-854-4280 gjv1@columbia.edu
Christopher Vasquez  Administrative Assistant 218 Uris 212-854-7929 cev2107@columbia.edu
Igor Vaysman  Adjunct Associate Professor 218 Uris 212-854-7903 iv2137@columbia.edu
Sudhir Venkatesh  Williams B. Ransford Professor of Sociology 218 Uris 212-854-4281 sv185@columbia.edu
Guido Verona  Administrative Assistant 6D Uris 212-854-3784 gv36@columbia.edu
Jorge Villa  Operations Manager 202 Uris 212-854-6091 jev2118@columbia.edu
Kalli Voulgaris  Senior Associate Director 410 Armstrong 212-854-5328 kav2119@columbia.edu