Dr. Harvey Karp practiced pediatrics for over 30 years and is Assistant Professor of Pediatrics at the USC School of Medicine. His critically acclaimed books and DVDs, The Happiest Baby on the Block and The Happiest Toddler on the Block have made him America’s most read pediatrician and have been translated into over 20 languages.

His baby work solves the 3,000-year old mystery “What is colic?” and helps parents calm crying babies in minutes and immediately boost nighttime sleep. His unique approach to toddlers allows parents to quickly reduce tantrums and help their 8m-5y olds be more patient and cooperative…in just days.

Dr. Karp’s Happiest Baby Educator Program has trained thousands of instructors across the United States and around the world in hospitals, clinics, and military bases, to teach his baby calming/sleep techniques to promote good parenting skills, reduce postpartum depression, child abuse and a host of other public health issues.

Dr. Karp’s work has frequently been featured in the national press and he was just named one of the top 10 influencers in American Family Life by Scholastic Magazine and Share Care.

Beyond his expertise in child development, Dr. Karp is an authority on breastfeeding and one of America’s leading advocates for protecting children from environment risks. He is a founding board member of Healthy Child/Healthy World, (America’s top children’s environmental health organization) and serves on the board of directors of the Environmental Working Group (EWG).

His latest book, The Happiest Baby Guide to Great Sleep: Birth to 5, offers simple solutions to prevent or quickly solve most sleep problems during early childhood. Dr. Karp’s strives to use innovative approaches to reach and educate new parents evidenced by his decision to be the featured pediatrician for the Swaddle Club, created by Lynette Damir, RN, founder of SwaddleDesigns.

He lives in Los Angeles with his wife, Nina. Their grown daughter, Lexi, lives in New York.


Dr ThachBradley T. Thach, MD, Professor of Pediatrics, Washington University of St. Louis. Bradley T, Thach, MD, specializes in SIDS research, neonatal pulmonary disease and sleep apnea in infants.

His research on SIDS prevention has helped reduce the number of infants deaths caused by the syndrome worldwide. He designed a swaddle to help babies sleep safely and more comfortably on their backs – back sleeping can drastically reduce SIDS.

Thach also published a study that found that infants who share beds with siblings or adults are also at a greater risk for SIDS.

Thach’s lab studies infant apnea, the development of breathing control, SIDS and infant sleeping physiology. His team has undertaken epidemiologic studies related to sudden unexpected deaths in infants. ​

Dr. Thach received his BA at Princeton University and an MD at Washington University of St. Louis.



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