Conversation so far:
What groups was David Rockefeller a part of?
Rockefeller met Henry Kissinger in 1954, when Kissinger was appointed a director of a seminal Council on Foreign Relations study group on nuclear weapons, of which Rockefeller was a member.
What is the International Executive Service Corps?
The International Executive Service Corps is an international economic development not-for-profit organization with headquarters in Washington, D.C.

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