Mark Guzdial: Mark Guzdial is a Professor in the School of Interactive Computing in the College of Computing at Georgia Institute of Technology. He is one of the leads on the NSF alliance “Expanding Computing Education Pathways” which helps US states improve and broaden their computing education. He leads the CSLearning4U project to create ebooks to help high school teachers and students learn CS. With his wife and colleague, Barbara Ericson, he received the 2010 ACM Karl V. Karlstrom Outstanding Educator award. He is an ACM Distinguished Educator and a Fellow of the ACM.