Daniel J. Siegel received his medical degree from Harvard University and is a practicing child, adolescent, and adult psychiatrist and clinical professor at the UCLA School of Medicine.

There, he is a co-investigator at the Center for Culture, Brain, and Development and co-director of the Mindful Awareness Research Center.

He is the author of the internationally acclaimed books The Developing Mind, The Mindful Brain, and The Mindful Therapist.

He is also the author of Mindsight, co-author of Parenting from the Inside Out (with Mary Hartzell), and co-author of The Whole-Brain Child (with Tina Payne Bryson).