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.
Carol A. Lambert, MSW, is a psychotherapist and consultant in intimate partner abuse, and the author of Women with Controlling Partners: Taking Back your Life from a Manipulative or Abusive Partner.
Mary C. Lamia, Ph.D., is a clinical psychologist in Marin County, California.
Kimerer L. LaMothe, Ph.D., is a dancer, philosopher, and author of five books, including Why We Dance, Nietzsche's Dancers, and What a Body Knows.
David Lancy, Ph.D., is a professor of anthropology at Utah State University and the author of The Anthropology of Childhood: Cherubs, Chattel, Changelings.
Christopher Lane, Ph.D., has won a Prescrire Prize for Medical Writing and teaches at Northwestern University. He is the author of Shyness: How Normal Behavior Became a Sickness.
Travis Langley, Ph.D., a professor at Henderson State University, is the author of Batman and Psychology: A Dark and Stormy Knight.
Robert A. Lavine, Ph.D. is a clinical psychologist and a former associate professor at the George Washington University School of Medicine.
Clifford N. Lazarus, Ph.D., is Clinical Director of The Lazarus Institute.
Robert L. Leahy, Ph.D., is the author of Anxiety Free, The Worry Cure and Beat the Blues. He is a clinical professor of psychology at Weill-Cornell Medical School.
Tim Leberecht is the founder of Leberecht & Partners, consultants helping organizations create transformative visions, stories, and experiences. He is also author of the book The Business Romantic.
Kristen Lee, Ed.D., LICSW, is a professor at Northeastern University.
Nathan H. Lents, Ph.D., is a professor of molecular biology at John Jay College, of the City University of New York.
Harriet Lerner, Ph.D., is the author of many books, including the New York Times bestseller, The Dance of Anger, and Why Won't You Apologize: Healing Big Betrayals and Everyday Hurts.
Renee Lertzman, Ph.D., teaches Environmental Education and Communication at Royal Roads University, and she is a fellow with the Global Sustainability Institute at Anglia Ruskin University in Cambridge.
Elizabeth Letourneau, Ph.D., is the inaugural director at the Moore Center for the Prevention of Child Sexual Abuse at the Johns Hopkins Bloomberg School of Public Health.
Kendra Levin is an executive editor at Penguin Random House, as well as a coach, teacher, and the author of The Hero Is You.
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.
Saul Levine M.D., is a professor emeritus at the University of California at San Diego.
Kate Levinson, Ph.D., is the author of Emotional Currency: A Woman's Guide to Building a Healthy Relationship with Money. She is a marriage and family therapist specializing in money issues.
Daniel J. Levitin, Ph.D., is the James McGill Professor at McGill University.
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 the author of Insatiable Wives, Women Who Stray and The Men Who Love Them.
Erin Leyba, L.C.S.W., Ph.D., is the author of the forthcoming book Joyful Parenting. She is a Chicago-based psychotherapist specializing in parenting, relationships, anxiety, and grief/loss.
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.
Marika Lindholm, Ph.D., taught at the J.L. Kellogg Graduate School of Management at Northwestern University.
Victor Lipman is the author of The Type B Manager: Leading Successfully in a Type A World (Prentice Hall Press). He writes about management from a psychological perspective.
Jamie Littlefield is a journalist and an advocate for human-centered design.
Vanessa LoBue, Ph.D., is an assistant professor of psychology at Rutgers University.
Jeffrey Lockwood, Ph.D., is a professor of natural sciences and humanities at the University of Wyoming and the author of The Infested Mind.
Raychelle Cassada Lohmann, M.S., LPC, is the author of The Anger Workbook for Teens.
Tim Lomas, Ph.D., is a lecturer in positive psychology at the University of East London.
Elizabeth Lombardo, Ph.D. is a Licensed Practicing Psychologist with an MS in physical therapy who combines research findings, real-life stories, and humor to provide actionable tips for individuals.
Sam Louie is a therapist with a private practice in Seattle specializing in multicultural issues and sexual addiction.
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.
Dr. Bernard Luskin is the CEO of www.LuskinInternational.com and has been the CEO of eight colleges and universities.
Wendy Lustbader, MSW, 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, and is the president of the EASI Foundation.
Nick Luxmoore is a counselor at King Alfred's College, in the U.K.
Mikhail Lyubansky, Ph.D., teaches in the Department of Psychology at the University of Illinois at Urbana-Champaign. He teaches, studies, and writes about race relations, conflict, and restorative justice.