There is a mailing list for the openstarlogo community that you can join. Information can be found here
http://education.mit.edu/mailman/listinfo/openstarlogo

And you can contact the list (only if you are on the list) at openstarlogo@education.mit.edu.

For any trouble with the features of this website (such as uploading builds) you may email the starlogo-request list (starlogo-request@education.mit.edu).