Name 
Office 
Office Hours 
Phone 

FACULTY 

Professor David Bayer Professor  426 Mathematics  office hours  x42643  bayer@math.columbia.edu 
Professor Joan Birman Professor Emerita  602 Mathematics  by appointment  x44341  jb@math.columbia.edu 
Professor Dusa McDuff Professor, Helen Lyttle Kimmel Chair  612 Mathematics  by appointment  x45079  dmcduff@barnard.edu 
Professor Walter Neumann Professor, Chair  616 Mathematics  MW 910am and by appointment  x45074  wneumann@barnard.edu 
Professor Daniela De Silva Assistant Professor  518 Mathematics  T 11:3012:30pm, W 1:152:15pm, or by appointment  x45135  desilva@math.columbia.edu 
FELLOWS 

Jason Behrstock Visiting Scholar  307 A Mathematics  x49235  jbehrsto@barnard.edu 