Please do not contact me for commercial offers. I'm all set with credit cards, loans, mortgages, health products, "free" stuff, etc. That being said, if I know you or you think you have something interesting to tell me, you can find information on how to contact me below.

E-mail
Professional: victor@costan.us
Personal matters: costan@gmail.com

Phone
US Google Voice: +1 (646) 434-8887
Personal RO cell: +40 735-395-800 (Vodafone)

Instant Messenger
AIM: victorcostan
GTalk: costan@gmail.com
MSN: costan@mit.edu
Skype: victorx2
Yahoo: victorcostan

Snail Mail
Victor Costan
MIT CSAIL
32 Vassar St, Room 32-G826
Cambridge, MA 02139
U.S.A.