RETSO Radio: Rob Hahn by Ken Cook | Mar 4, 2010 | Radio | 0 comments Rob Hahn – The Notorious Rob and 7DS Associates – what’s this about RPR? Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment. This site uses Akismet to reduce spam. Learn how your comment data is processed.