Tom Geller is the author/presenter of the seven-hour video course Drupal Essential Training, and also wrote the Free QuickStart Guides from TopNotchThemes.

A writer by profession, his work has appeared in numerous technology and science journals, while as a trainer he's given presentations at BADCamp, ISPCon, Macworld, the Consumer Electronics Show, and many other events. His main Drupal-based Web sites are tomgeller.com, gellerguides.com, and savemyhomebook.com. He lives in San Francisco.