How can I contact this person in order to provide him/her with more information?
This fall, we will be working on improving our colaboration system so it will be easier to invite users to join an existing project.
http://familytrees.genopro.com/AHTAR/
If you wish to contact AHTAR, you can go to his profile page at: http://support.genopro.com/UserInfo167130.aspx
and send him a private message or email.