Thomas R. Hoerr, PhD retired after leading the New City School in St. Louis, Missouri, for 34 years and is now the Emeritus Head of School. He is currently a Scholar In Residence at the University of Missouri-St. Louis and teaches in the Educational Leadership program, preparing prospective principals.

He also leads the ISACS New Heads Network, helping new leaders of independent schools.

Tom has written five books – most recently, The Formative Five (2016). He is currently writing a successor book, tentatively titled SEL: School Culture and the Formative Five. Hoerr has written more than 140 articles, including “The Principal Connection” column in Educational Leadership Magazine from 2004 to 2017.