 In January 2010, Towers Perrin merged with Watson Wyatt Worldwide to form Towers Watson where Tillinghast became part of the risk management group.In 1986, Atlanta-based Tillinghast, Nelson & Warren Inc., then the nation's largest independent risk management consultant, merged with Towers, Perrin, Forster & Crosby, Inc (TPF & C).The company was restructured assigning Tillinghast's benefits practice to TPF & C and TPF & C's risk management practice to Tillinghast.