Chuck Hodell is the author of the best-selling ASTD book ISD From the Ground Up and has been involved in the worlds of training and education for more than 30 years. He has written extensively on instructional design and training-related topics for ASTD, including several Infolines. He has enjoyed stints as a musician, police officer, telephone company repair technician, trainer, teacher, and academic administrator. Like many training professionals, his first exposure to training and instructional design was as an SME, or subject matter expert. He currently serves as associated director of the graduate program in instructional systems development at the University of Maryland Baltimore County. He is also the senior program director for instructional design at the Transportation Learning Center and academic advisor to the International Masonry Institute. Hodell has an undergraduate degree from Antioch University and an MA and PhD from the University of Maryland Baltimore County.