professional:

The Association of Medical Illustrators (AMI)
The Guild of Natural and Scientific Illustrators (GNSI)
Assocation Européenes des Illustrateurs Médicaus et Scientifiques (AEIMS)
Biomedical Communications, UT-Southwestern Medical Center at Dallas

personal:

John's nature photography
Dooce
The Iranian
Iran Chamber Society
Roshiweb (special thanks to Roshiweb for the use of customized photoshop brushes in the banner designs of this website)