As CEO, sometimes you need to cut out the top-down consensus building. Publicly stating your goals and then getting buy-in lower down the chain of command may speed up idea adoption.
This is inspiring, gives people a clear idea of your vision, gets things moving, and gives people a base to work from.
Example: On July 19, 1996, former Chairman of NTT DoCoMo Kouji Ohboshi paid for a full-page advertisement in the Nihon Keizai Shinbun and laid out his vision and commitment for DoCoMo in detail. He followed this with a meeting with general manager level employees, bypassing his top management team and partner company CEOs.
Source: Beck, J. and Wade, M. (2003). DoCoMo: Japan’s Wireless Tsunami.