 In 1974, Rosenwald oversaw the merger of the joint campaign between United Jewish Appeal of Greater New York and the Federation of Jewish Philanthropies and was named as the first president of the combined campaign.This joint fundraising campaign by the two philanthropic organizations was the first step in the complete merger of the organizations in 1986.Rosenwald served on the board of the Tuskegee Institute for 40 years and was a longtime board member of the New York Philharmonic.