Theo Mandel

THEO MANDEL, PhD, is a consultant, author, educator, and industry seminar speaker. He is the founder and principal of Interface Design and Development in Austin, Texas. Dr. Mandel worked for IBM for more than twelve years in the areas of software user interface architecture, product interface design, usability testing, software vendor consulting, and technical education. Dr. Mandel is also the author of The GUI-OOUI War: The Designer's Guide to Human-Computer Interfaces.