NOTICE: All Data Management Unit systems will be offline for server upgrades beginning 10:00 PM EST on Saturday, March 16, 2027. Applications should be available again by 8:00 AM on Sunday. If you have questions about this interruption, please email us at

To access the system, please log in with your Columbia UNI.

Data Management Unit, Department of Biostatistics
722 W 168 Street | Rm 611 | New York, NY 10032