The John Hancock Life Insurance Co. (U.S.A.) and Marsh & McLennan Companies Inc. have made additions to their boards of directors. John Hancock's board has elected insider Linda Watters. She has served since 2009 as the company's vice president of government relations. Marsh & McLennan's board has elected Anthony Anderson as an independent director. Anderson spent 35 years with Ernst & Young LLP, retiring as vice chair and Midwest area managing partner in 2012. Read the announcements from John Hancock and Marsh & McLennan.