David Grebow is CEO of KnowledgeStar, and an author, popular speaker, and workshop leader. KnowledgeStar is a consulting firm founded in 2006 to provide insight about the intersection of digital technology and education. Its clients include Fortune 500 corporations, startups, NGOs, and leading analyst firms Bersin & Associates and the Brandon Hall Group. KnowledgeStar is currently involved in launching an interactive performance support system that automatically delivers just-in-time knowledge to people working in manufacturing environments. For 25 years prior to starting KnowledgeStar, David held senior development and management positions with leading technology and education companies, including IBM, where he co-founded the Institute for Advanced Learning; PeopleSoft; Cisco; and McGraw-Hill. David is a co-author of Creating a Learning Culture with Marcia Conner and James Clawson and served on the editorial review board for Information Age Publishing, working to produce a series of books on technology and learning. David's most recent book, Gamification, Games and Learning is part of the eLearning Guild's new Insight series. He has authored numerous research papers and articles for publications in the corporate education industry. He lives in San Francisco. Stephen J. Gill is the co-owner of www.learningtobegreat.com, a marketplace for organizational learning tools, and also owner and principal of Stephen J. Gill Consulting. Steve's expertise is in creating learning cultures in organizations and measuring the impact of learning and performance improvement interventions. He has done this work for more than 25 years, since leaving the faculty of the University of Michigan, School of Education. He has written extensively about these topics. His most recent books are Getting More From Your Investment in Training: The 5As Framework, published by RealTime Performance in 2009, Developing a Learning Culture in Nonprofit Organizations, published by Sage Publications in 2010, and Communication in High Performance Organizations: Principles and Best Practices, published as Kindle ebook in 2011. Steve also posts regularly on the Performance Improvement Blog. He serves his community as an elected trustee of Washtenaw Community College. He lives in Ann Arbor, Michigan.