David Demyan is an instructional designer at Spectorial. He is a rapid eLearning specialist with broad expertise in the knowledge transfer of technical subject matter. He provides training and development services in instructional design using Camtasia Studio and Articulate Storyline, with supporting video, audio, and image editing tools. David is a recognized expert in the use of video in eLearning programs. His specialty is technical and software simulations for training and knowledge assessment. He has performed consulting and training duties for commercial, educational, and governmental entities. David is the author of eLearning with Camtasia Studio and an instructor at lynda.com.