IRVING, TEXAS (December 2010) - The Irving Convention and Visitors Bureau (ICVB) Board of Directors elected James Cassels to serve as chair and Chris Arrington to serve as vice-chair effective immediately. Cassels moves into the position previously held by Dr. Carlton Turner, who served as chair since December 2009. Both Cassels and Arrington have served on the ICVB board since December 2007, with Cassels most recently serving as vice-chair, and Arrington as the chair of the Board's Community Relations Committee, and vice-chair of its Board