About Alexandra Sacks

Alexandra Sacks, MD, is a reproductive psychiatrist affiliated with the Women's Program at the Columbia University Medical Center and a candidate at the Columbia University Psychoanalytic Center for Training and Research. A leading expert in "matrescence," she is known for popularizing the concept in her TED talk with more than one million views worldwide, and in her New York Times article "The Birth of a Mother," the number-one most read piece of 2017 for the "Well Family" section, where she is a regular contributor. Dr. Sacks was a scholar at the DeWitt Wallace Institute for the History of Psychiatry and serves on the American Psychoanalytic Association advisory board for media education. Her work on matrescence and "mommy brain" has been featured in TIME magazine, The Washington Post, The Boston Globe, and on NPR. Dr. Sacks hosts a motherhood podcast from Gimlet Media and is the author, with Catherine Birndorf, of What No One Tells You. Learn more at AlexandraSacksMD.com and @AlexandraSacksMD. Catherine Birndorf, MD, is a reproductive psychiatrist and clinical associate professor of psychiatry at New York-Presbyterian/Weill Cornell Medical Center, where she founded the Payne Whitney Women's Program. She is currently the co-founder and medical director of The Motherhood Center, a treatment center in New York City for pregnant and new moms experiencing anxiety and depression. Dr. Birndorf is a board member of Postpartum Support International, a nonprofit organization for awareness, prevention, and treatment of maternal mental health worldwide. For ten years, Dr. Birndorf was a regular mental health columnist for Self magazine and has appeared on numerous television programs including the TODAY show, Good Morning America, CBS Evening News, and CNN. She is the author, with Alexandra Sacks, of What No One Tells You and of the New York Times bestseller The Nine Rooms of Happiness, co-authored with Lucy Danziger. Learn more at DrCatherineBirndorf.com and TheMotherhoodCenter.com.