Dennis Glenn is a professor at DePaul University. His instructional design and eLearning experience was honed when he joined Northwestern University as manager of the advanced media production studio, later being promoted to assistant dean for distributed education at the School of Communication. Dennis has designed interactive virtual patients for the medical industry that assess the cognitive decision-making abilities of surgeons, doctors, and nurses. He has taught at universities including Northwestern, Columbia College, Lake Forest Graduate School of Management, and DePaul’s Graduate School of New Learning, where he teaches in two domains: engaging social media, and mastery learning using serious games.