| Title | Former Board Chair |
| Start Date | 1931-00-00 |
| End Date | 1951-00-00 |
| Notes | He was on his father's Advisory Committee in the family office, Room 5600. He was also president of the family's principal philanthropy run by family members, the Rockefeller Brothers Fund, from its inception in 1940 to 1956. In 1929, he joined the family's renowned Rockefeller Foundation; elected to the board in 1931 he subsequently became chairman of this major philanthropic organization for twenty years and was responsible for changing the focus of the institution. |