Conversation so far:
what groups was rockefeller?
In 1964, along with other American business figures such as Sol Linowitz, Rockefeller founded the non-profit International Executive Service Corps.
what is the international executive service corps?
encourages developing nations to promote private enterprise.
did he have critics?
CANNOTANSWER.

Question: did he have supporters?
Self-contained rewrite: did David Rockefeller have supporters?