Alan Palazzolo is a Code for America fellow, and has been a big contributor to mapping modules, most notably OpenLayers. He maintains several Drupal modules and has been a featured speaker at Drupal events around the world. Alan led the first ever Code Review Sprint to review project applications at DrupalCon Chicago 2011. Thomas Turnbull has been building websites in PHP since 2002, and working with Drupal since 2006. He has been an organizer for Drupal Camp New York, and has been contributor and maintainer for several Drupal modules. He has done Drupal development for Sony Music in New York, where he built sites for artists on their record labels using Drupal, and is currently working for Zagat, helping to migrate their website over to Drupal.