Did you check the spam folder?
Nothing in there
![Sad](https://bitcointalk.org/Smileys/default/sad.gif)
Either you registered the account with another email address, or your account has been hacked and the email has been changed.
Exactly as shorena suggested, You need to send a PM to theymos and sign a message using the captioned address.
Be patient as it may take a few days to get theymos' response.
![Smiley](https://bitcointalk.org/Smileys/default/smiley.gif)