Mark Sander is Director of School Mental Health for Hennepin County and Minneapolis Public Schools and a Senior Clinical Psychologist for Hennepin County. As a certified Master Trainer in the Adverse Childhood Experiences Study, he helps develop trauma informed organizations and trauma sensitive schools, and publishes and speaks nationally on school mental health. Mark is former Assistant Professor of Pediatrics at the University of Maryland Medical School, and also serves as visiting scholar at Wilder Research.