Dr. Timm served as Treasurer, Board of Directors, Pyramid Model Consortium (2013-2016). He continues to serve as Treasurer, Board of Directors, Regional Intervention Program (RIP) Advisory Committee, Inc. (1999-present) and Vice-President, Founding Board of Directors, Association of Infant Mental Health in Tennessee, Inc. (AIMHiTN) (2016-present).
Dr. Timm is Director Emeritus (1974-1997), Regional Intervention Program (RIP), Nashville, Tennessee, an internationally recognized parent-implemented model for the treatment of families of young children with behavioral disorders in continuous operation from 1969 to the present. Since 1974, certified RIP programs have been established in 29 communities in Tennessee, California, Connecticut, Iowa, Kentucky, Ohio, Washington, Canada (Brantford, Ontario), Brazil (Manaus, Amazonas), and Venezuela (Caracas). Dr. Timm served as Senior Faculty member (2001-2012), National Center on the Social and Emotional Foundations for Early Learning, University of Illinois/Vanderbilt University; and Senior Faculty Member (2000-2005), National Center for Evidence-Based Practice: Young Children with Challenging Behavior, University of South Florida. As Director of Early Childhood Programs, Tennessee Voices for Children (1997-2012) he headed the statewide Early Childhood Consulting Program (2001-2010); coordinated the early childhood component of the Tennessee Parent Information and Resource Center (TPIRC) (2006-2009); and coordinated the Social-Emotional Training Component of the Early Connections Network (ECN) (2009-2012).