"Thirdly, pending the receipt of satisfactory assurances from DUP ministers, about the confidentiality and integrity of committee business, the minister for social development and the minister for regional development, will not receive now executive committee papers as a matter of course, " Mr Trimble said.

BBC: Sanctions against DUP ministers

George developed and taught for many years the popular second-year MBA course Authentic Leadership Development (ALD), which he has compressed into a five-day Executive Education program at Harvard Business School.

FORBES: Developing the Global Leader