Sun Life Financial, Inc. operates as a holding company. The firm engages in the provision of financial services. It operates through the following segments: Sun Life Financial Canada, Sun Life Financial United States, Sun Life Financial Asset Management, Sun Life Financial Asia, and Corporate. The Sun Life Financial Canada segment offers individual insurance and wealth, and group benefits and retirement services. The Sun Life Financial United States segment consists of group benefits, international and in-force management services. The Sun Life Financial Asset Management segment focuses on the design and delivers investment products through MFS investment management, and Sun Life investment management. The Sun Life Financial Asia segment comprises of Philippines, Hong Kong, Indonesia, Vietnam, Malaysia, India, and China markets. The Corporate segment represents United Kingdom business unit and corporate support operations, which include run-off reinsurance operations as well as investment income, expenses, capital, and other items. The company was founded on March 18, 1865 and is headquartered in Toronto, Canada.