Ezra Heeschen is the OER program manager in the Modern Human Anatomy Program in the Department of Cell & Developmental Biology at the University of Colorado Anschutz.Ezra Heeschen is the OER program manager in the Modern Human Anatomy Program in the Department of Cell & Developmental Biology at the University of Colorado Anschutz.Ezra Heeschen is the OER program manager in the Modern Human Anatomy Program in the Department of Cell & Developmental Biology at the University of Colorado Anschutz.