PRINCIPALS
David L. Rosenhan, Ph.D
David Rosenhan, the founder of Trial Analysis Group, is currently on inactive status. He is Professor Emeritus of Law and Psychology at Stanford where he taught for nearly 30 years. Trained as a clinical and social psychologist, he specializes in trial tactics, jury decision-making and in the integration of law and science. He has consulted in more than 100 trials, primarily civil. He received his undergraduate degree at Yeshiva College, and completed his graduate work at Columbia University. Before coming to Stanford, he taught at Haverford College, the University of Pennsylvania, Princeton University and Swarthmore College. A former president of the American Psychology-Law Society and of the American Board of Forensic Psychology, he is a Fellow of the American Psychological Association, the American Psychological Society, and the American Association for the Advancement of Science, and has published more than 80 books and research papers. He is best known for his groundbreaking study, “On Being Sane in Insane Places” which became one of the most heavily cited studies and influential (indeed transformative) studies in the field of clinical psychology.
Honorable LaDoris H. Cordell (Ret.)
LaDoris Cordell, a retired California state court judge, was the first African American woman judge in all of Northern California. For nearly twenty years, Judge Cordell presided over a wide range of cases, including family, civil, criminal, probate, mental health, and juvenile law. While serving in Family Court, her success rate in achieving negotiated resolutions was 96%, a feat recognized to be virtually without precedent. Judge Cordell received her J.D. from Stanford Law School in 1974 where, prior to ascending to the bench, she became Assistant Dean for four years. Upon retiring from the bench in 2001, Judge Cordell served as Special Counselor to the President of Stanford University, a post from which she retired in 2009. During this period Judge Cordell was elected to the Palo Alto City Council, on which she served a four-year term. Currently, Judge Cordell is a highly successful private mediator, having settled several high profile cases involving cities and counties.
Lee D. Ross, Ph.D
Lee Ross is a Professor of Psychology at Stanford University where he has taught ever since earning his Ph.D at Columbia University in 1969. He is an internationally renowned theorist and researcher on judgment and decision-making, sources of human misunderstanding and conflict, and psychological barriers to dispute resolution. Trained as a social psychologist, Dr. Ross specializes in development of persuasive arguments and “trial narratives” and is expert at using focus group sessions to highlight strengths and weaknesses in cases, and to clarify and address barriers to successful trial outcomes. A co-founder of the Stanford Center on Conflict and Negotiation, and a member of the American Academy of Arts and Sciences, he is the author of four influential books, including Human Inference and The Person and the Situation and nearly 100 research papers, and has received Distinguished Career Contribution awards from the American Psychological Association and the Society of Experimental Social Psychology.
Florence O. Keller, Ph.D
Florence Keller is a member of the medical staff at Santa Clara County Valley Medical Center in San Jose, CA. In addition to her work as a clinician, Dr. Keller specializes in jury selection, witness preparation and development of trial strategy. Upon completion of her doctorate in clinical psychology, Dr. Keller was awarded an NIMH post-doctoral fellow in Psychology and Law at Stanford University, where, from 1989 to 1999, she served as a Visiting Scholar. Dr. Keller has taught at Case Western University and San Jose State University, as well as serving as adjunct faulty at the Pacific Graduate School of Psychology. She is a member of the American Psychological Association and the American College of Forensic Psychology, and has been a principal investigator in a variety of research studies.
Jonathan J. Koehler, Ph.D
Jonathan Koehler is Professor of Law at the Sandra Day O’Connor College of Law and Professor of Business at the W.P. Carey School of Business at Arizona State University. Dr. Koehler specializes in legal decision-making, particularly decisions involving scientific and probabilistic evidence. He has published many articles in scientific journals and law reviews examining the impact that probabilistic evidence can and should have on the beliefs of decision makers. A current stream of research examines the meaning of DNA matches in civil and criminal contexts. Dr. Koehler has testified as an expert witness and served as the consultant on the statistical and psychological significance of DNA evidence in several criminal cases including the O.J. Simpson case. Dr. Koehler has a B.A. in philosophy from Pomona College, and an M.A. and Ph.D in Behavioral Sciences (Committee on Research Methodology and Quantitative Psychology) from the University of Chicago. He was a postdoctoral scholar in psychology and law at Stanford University from 1988-1990.