JAACAP June 2021: Contributing Editor Dr. Aviva Olsavsky interviews Dr. Jonathan Posner on understanding the genetic architecture of psychiatric disorders and how this knowledge can inform strategies for identifying high-risk individuals, early intervention, and development of personalized treatment approaches. Genetic Studies of Mental Illness: Are Children Being Left Behind? Journal of the American Academy of Child and Adolescent Psychiatry. June 2021; pages 672–674.