Willis Towers Watson announced the appointment of Mike Liss as head of its Corporate Risk and Broking (CRB) business in North America, effective immediately. Liss will be responsible for business growth and strategy, and consolidating Willis Towers Watson’s leading position in the U.S. mid-market while expanding its offering to multinationals. He will report to Joe Gunn, head of North America and Todd Jones, global head of CRB. He joined Willis Towers Watson in May 2006 and most recently served as the company’s Midwest leader. He will retain these responsibilities until a successor is named. Before joining Willis Towers Watson, Liss spent two years with Wachovia, leading their Atlanta operations, and nearly nine years as a producer and brokerage leader with J&H Marsh.