Dr. M. David Merrill is Professor of Instructional Technology at Utah State University in Logan, Utah. He received his BA from Brigham Young University, and his Masters and Doctorate from the University of Illinois.

Dr. Merrill is the author of numerous published articles, books and papers. His research interests include: Authoring and instructional design expert systems; Component Display Theory for Instructional strategies, Elaboration Theory for content sequence, and Instructional Transaction Theory.