Contact Us

For questions, concerns, or to escalate an issue, please reach out to one of the team leads below:

Elizabeth Tashiro, MS
CTO, Associate Dean for Information Technology 
Phone: 212-342-3021
Email: es2222@columbia.edu

Ed Arnold-Berkovits, MS
Director, Servers & Applications 
Phone: 212-305-0721
Email: ea2124@columbia.edu

Rebecca Yohannes
Director, HPC Resources
Phone: 212-342-0487
Email: ry111@columbia.edu

Simon Mak 
AV Manager
Phone: 212-342-5339
Email: sm3797@cumc.columbia.edu

Edwin H. Lopez
Director, IT Client Services
Phone: 212-305-3395
Email: el3162@cumc.columbia.edu

Steven Siew
Manager, IT Operations & Support
Email: ss6699@columbia.edu