THE AUTHORS Ruth Colvin Clark is the founder of Clark Training and Consulting and a recognized specialist in instructional design and technical training. Clark was the 2006 recipient of the Tom Gilbert award for distinguished professional achievement from ISPI and is an invited 2007 Legend Speaker for ASTD. Ruth is author of the award-winning books e-Learning and the Science of Instruction and Building Expertise Ann Kwinn is partner and director of e-Learning for Clark Training and Consulting. In the past 19 years, she has designed, managed, and consulted on over 30 e-learning programs, some awardwinning. Kwinn was a research fellow at ETS and taught at University of California Irvine. She has written over 30 articles, book chapters, and reviews and is co-author of the online book, The eLearning Guild's Handbook on Synchronous eLearning.