David Gassner is an Adobe Certified Instructor and co-owner of Bardo Technical Services,an Adobe Authorized Training Center in Seattle. He is an AdobeCertified Expert and Instructor with certifications in Dreamweaver,ColdFusion, and Flex. David wrote Flex 3 Bible for Wiley and has authored video-based training titles on Dreamweaver, ColdFusion, and Flex for Lynda.com.