The Josiah Macy, Jr. Foundation has named Peter Goodwin as its COO/treasurer. He will take over from the current COO/Treasurer Marc A. Nivet, who will step down on June 1 to become the Chief Diversity Officer for the Association of American Medical Colleges. Goodwin most recently was vice president of National Program Affairs for the Robert Wood Johnson Foundation. Goodwin has worked for 30 years as a professional in the non-profit sector, including his earlier position as hospital administrator for the Beth Israel Medical Center in New York City.