Great article on S&OP, change and leadership: http://supplychaintrends.wordpress.com/2013/01/16/global-sop-and-leadership/
This is the third in a series of four articles on leading an effective S&OP/IBP culture. The first article was on effective S&OP/IBP behaviour. The second article on leading S&OP/IBP change. This third article is on leading sustainable S&OP/IBP.
The role of leadership in S&OP/IBP in change management