Doyle Simons, the former chairman and CEO of Temple-Inland, has joined the board of directors of Weyerhaeuser, effective June 29, 2012, according to a filing with the Securities and Exchange Commission (SEC). The 49-year-old executive held various positions with Temple-Inland, including executive VP from 2005 through 2007 and chief administrative officer from 2003 to 2005. He became CEO and chairman in 2008 and served until February 2012, when Temple-Inland was acquired by International Paper Co.