John D. Gilleland, Ph.D.
Senior Jury Consultant
John Gilleland is a senior jury consultant for TrialGraphix, a litigation consulting firm specializing in jury consulting, graphic design, presentation technologies, and trial preparation solutions. As one of the top jury consultants in the country, Dr. Gilleland has spent more than 30 years studying jury psychology, the last 26 of which have been dedicated to conducting empirical jury research exclusively. As such, he has extensive knowledge of jury behavior, including attitude change and persuasion techniques, attributional reasoning, and group decision-making processes.
Dr. Gilleland began his postgraduate career as a visiting assistant professor of psychology at Williams College in Williamstown, MA, before becoming a full-time jury consultant. As a recognized expert in his field, Dr. Gilleland is frequently asked to present at legal seminars and CLE settings on topics related to jury research and juror behavior. He has consulted on literally hundreds of civil and criminal cases in both federal and state courts across the United States and has presented before the American Conference Institute, the Defense Research Institute, various Inns of Court, and various state bar associations. He has been widely published on a variety of topics relating to jurors and jury research and is an active member of the American Psychological Association, the American Bar Association, and the American Society of Trial Consultants (ASTC).
Dr. Gilleland holds a Ph.D. in social psychology from the University of California, Santa Barbara. He received his B.A. in psychology from the University of California, San Diego and his B.A. in sociology from the University of Minnesota.