Mark Alan Stewart (Santa Barbara, CA) has written more than 20 test-prep guides and has served as a testing consultant to schools in the University of California and California State University systems.
Judy Unrein (Santa Barbara, CA) has been a teacher, tutor, and instructor trainer in the test prep world for 9 years.
Wendy Hanks (Kingwood, TX) has written and contributed to numerous books on test preparation.