John D. Gilleland, Ph.D.

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Dr. John D. Gilleland is Vice President of DecisionQuest, Inc., a trial consulting and strategic communications firm with offices in Los Angeles, Chicago, Pennsylvania, New York, Boston, Washington DC, Atlanta, Minneapolis, San Francisco and Miami. The firm is comprised of approximately 100 individuals.

As one of the top jury consultants in the country, Dr. Gilleland has spent more than 30 years studying jury psychology, the last 27 of which have been dedicated to exclusively conducting empirical jury research. As such, he has extensive knowledge of jury behavior as it relates to the study of attitude change and persuasion techniques, attributional reasoning, and group decision-making processes. Dr. Gilleland is an expert on research methodology and regularly assists trial teams with the development of effective trial themes, the construction of compelling presentation strategies, opening statement assistance, and the preparation of both fact and expert witnesses.

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. Since then Dr. Gilleland has conducted mock jury research on over 900 cases, and provided strategic consulting advice on hundreds of others. He has a national practice and works on civil and criminal cases in both federal and state courts across the United States.

As a recognized expert in his field, he is frequently asked to present at legal seminars and CLE settings on topics related to jury research and juror behavior. Dr. Gilleland has several media appearances as an expert commentator, and has presented before the American Conference Institute, the Defense Research Institute, various Inns of Court, and a number of 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.

University of California, Santa Barbara
Ph.D., Social Psychology

University of California, San Diego
B.A., Psychology

University of Minnesota
B.A., Sociology