Sun Life Financial Inc. (SLF), formerly known as Sun Life Financial Services of Canada Inc., is an internationally diversified financial services organization providing savings, retirement and pension products, as well as life and health insurance to individuals and groups through its operations in Canada, the United States, the United Kingdom and Asia. The Company also operates mutual fund, investment management and trust businesses, primarily in Canada, the United States and Asia. The operations are divided into six business segments primarily based on geographic location: Sun Life Financial Canada (SLF Canada), Sun Life Financial United States (SLF U.S.), Massachusetts Financial Services Company (MFS), Sun Life Financial United Kingdom (SLF U.K.), Sun Life Financial Asia (SLF Asia) and Other Operations.