Below is a list of contact information for the site administrators and moderators; for details about just who does what exactly, visit this forum thread: Meet Your Site Admins.
Paul Kim (course instructor): email: email@example.com
Pamela Levine (Fall2012 course TA): email: firstname.lastname@example.org
Roz Hussin (Fall2012 student): profile page - email: email@example.com
Don Arnoldy (Fall2012 student): profile page - email:
We also have an email address used for system emails from the site - firstname.lastname@example.org - and we are trying to monitor that email inbox regularly, but if you write to that email and do not hear back within a day or so, please feel free to contact Anne, Laura, Marc or Sudarshan at their email address as shown above. :-)