These renowned thinkers include top psychologists and psychiatrists, as well as intelligence operatives, lawyers, essayists, doctors, and animal researchers with a trained lens on what makes us tick.
Douglas LaBier, Ph.D., is a psychologist and the Director of the Center for Progressive Development in Washington, DC.
Suzanne Lachmann, Psy.D., is a clinical psychologist in NYC specializing in psychotherapy.
Jamie Ladge, Ph.D., is an associate professor of management and organizational development at the D'Amore-McKim School of Business, Northeastern University.
Mary C. Lamia, Ph.D., is a clinical psychologist in Marin County, CA.
Kimerer L. LaMothe, Ph.D., has taught at Brown and Harvard universities. She is the author of What a Body Knows: Finding Wisdom in Desire and Family Planting.
Robert J. Landy, Ph.D., is a Professor of Educational Theatre and Applied Psychology and Director of the Drama Therapy Program at New York University.
Christopher Lane, Ph.D., teaches literature and intellectual history at Northwestern University and is the author of Shyness: How Normal Behavior Became a Sickness.
Travis Langley, Ph.D. is the author of Batman and Psychology: A Dark and Stormy Knight.
Dr. Peter Langman is the author of School Shooters: Understanding High School, College, and Adult Perpetrators and trains professionals in law enforcement, education, and mental health on preventing school shootings.
Thomas Larson is a journalist, critic, and memoirist. He is a staff writer for the San Diego Reader and teaches in the MFA Program at Ashland University.
John Launer, M.D., an associate dean at London University, is the author of "Sex Vs Survival."
Neil J. Lavender, Ph.D. is a licensed psychologist and a professor of psychology at Ocean County College in Toms River, NJ.
Clifford N. Lazarus, Ph.D., is Clinical Director of The Lazarus Institute.
Tim Leberecht is the author of the book THE BUSINESS ROMANTIC and the chief marketing officer of NBBJ, a global design and architecture firm that helps organizations create meaningful experiences.
Ruth Sarah Lee, JD is a graduate of Harvard Law School and an attorney specializing in complex business litigation.
Justin Lehmiller, Ph.D., is a lecturer in the department of psychology at Purdue University.
Harriet Lerner, Ph.D., is best known for her work on marriage and family relationships and the psychology of women. Her book The Dance of Anger has recently been reissued.
Hilary Levey Friedman is a Harvard sociologist and expert on popular culture, competition, childhood and parenting.
Irene S. Levine, Ph.D., is a psychologist and professor of psychiatry at the NYU School of Medicine. Her latest book is Best Friends Forever: Surviving a Breakup With Your Best Friend.
Gregg Levoy is the author of Vital Signs: The Nature and Nurture of Passion (Penguin) and Callings: Finding and Following an Authentic Life (Random House).
David J. Ley, Ph.D., is a clinical psychologist and author of Insatiable Wives, Women Who Stray and The Men Who Love Them, available from Rowman & Littlefield Publishers.
Alex Lickerman, M.D., is a general internist and former Director of Primary Care at the University of Chicago and has been a practicing Buddhist since 1989.
Matthew D. Lieberman, Ph.D., is Professor of Psychology, Psychiatry and Biobehavioral Sciences at the University of California, Los Angeles. He is the author of Social.
Jeffrey Lieberman, M.D., is the Lawrence C. Kolb Professor and Chairman of Psychiatry at Columbia University.
Jason Lillis, Ph.D., is assistant professor of research at the Alpert Medical School of Brown University.
David J. Linden, Ph.D., is a professor of neuroscience at Johns Hopkins University School of Medicine and the author of The Compass of Pleasure.
Ina Lipkowitz, Ph.D., is a lecturer at MIT and the author of Words To Eat By: Five Foods and a Culinary History of the English Language.
Victor Lipman recently retired from the corporate world after 25 years with one of America's largest life insurance companies. He writes about management from a psychological perspective.
Judith Eve Lipton, M.D. is a psychiatrist and book author. She and her husband David Barash have written about sex, war, and human nature.
Jeffrey Lockwood, Ph.D., is Professor of Natural Sciences and Humanities at the University of Wyoming and author of The Infested Mind.
Raychelle Cassada Lohmann, M.S., L.P.C., is the author of The Anger Workbook for Teens.
Liza Long is a writer, educator, mental health advocate and mother of four children, one of whom has mental illness.
Jamie Long, Psy.D., is a psychologist in private practice, a professional writer, and psychology expert for the Paul & Young Ron morning radio show.
Pat Love, Ed.D., is a widely published relationships educator. She is the author of Hot Monogamy and The Truth About Love.
Gerri Luce is a licensed clinical social worker who publishes under a pseudonym.
David Ludden, Ph.D., is a professor of psychology at Georgia Gwinnett College.
Bernard Luskin, Ed.D., formerly taught at UCLA, USC, Claremont, and Pepperdine.
Wendy Lustbader, M.S.W., is an affiliate associate professor at the University of Washington School of Social Work.
Amy S.F. Lutz is the author of Each Day I Like It Better: Autism, ECT, and the Treatment of Our Most Impaired Children. She is president of the EASI Foundation.