At the 2015 Americas Institute, Evelyn Dilsaver (United States), Director, Aeropostale, Blue Shield of California, Health Equity and Tempur Sealy Int'l; Advisory Board Member, Protiviti International; Member of WCD Advisory Board, spoke on the "Activist Investors" panels. Here is the short presentation she mentioned.
The first page is just a backdrop on the activism funding and aggressiveness
The next page are the questions board of directors should be asking themselves.
The third page is lessons learned and finally, a short presentation that Evelyn gave to her Tempur board about the formation of the Shareholder Liaison Committee---why, the roles and objections.