It depends on what authority the directors have been given over the company, but generally the owner has the final say in all decisions; unless judged to be incapacitated in some way.
Tom Hanks, Genna Davis, Madonna, Lori Petty, Rosie O'Donnell, John Lovitz, Tracy Reiner, Garry Marshall, Megan Cavanagh, David Strathairn, Bitty Schram, and Anne Cusack.