How to remove your Duotrope account
Duotrope.com requests you email them directory for a removal.
Contact them directly: https://duotrope.com/contact_support.aspx to request your account removal.
If that does not work you may also try this email:
Helpful Trick: Removing online data
Helpful Trick: Remove third-party logins
If you signed up for Duotrope using a third-party login such as Facebook or Twitter, you probably want to revoke all access from Duotrope. Click here to find out how.