The easiest way to reach me is by email. At the risk of sounding like an automated voice answering system, if you need to reach me

concerning   please write to
research-related matters   Ryan Kavanagh <rkavanagh@cs.cmu.edu>
Debian-related matters   Ryan Kavanagh <rak@debian.org>
any other matter   Ryan Kavanagh <rak@rak.ac>

I highly recommend using GPG to sign and/or encrypt your emails. My key id is 4A11C97A, with fingerprint

pub   10240R/4A11C97A 2009-09-23 [expires: 2018-02-09]
      Key fingerprint = 4E46 9519 ED67 7734 268F  BD95 8F7B F8FC 4A11 C97A

The safest way to get my key on a Debian-based system is by installing the debian-keyring package and running:

gpg --keyring=/usr/share/keyrings/debian-keyring.gpg --export 4A11C97A | \
     gpg --import

To reach me by postal mail, write to

Ryan Kavanagh
GHC 6105, CMU CSD
5000 Forbes Avenue
Pittsburgh, PA 15213
USA

I can also be found on IRC on irc.freenode.org or irc.oftc.net under the nick ryanakca.