If one of the below problems arise please call Daisy Nguyen (Director) at 347-782-2345.
If the problem affects you only:
PLEASE DO NOT CALL OUR DIRECTOR!!!
You must send mail to CRF queue (crf@cs.columbia.edu), or call the CRF Hotline at 212-939-7174. Our working hours are 8:30AM to 6:00PM Monday to Friday.