William D. Anderson is a Canadian businessperson who has been the head of 7 different companies. Presently, he occupies the position of Chairman of Sun Life Financial, Inc. and Chairman for Sun Life Assurance Company of Canada (a subsidiary of Sun Life Financial, Inc.).

He is also on the board of Gildan Activewear, Inc. (former Chairman).

In the past Mr. Anderson held the position of Chief Financial Officer for BCE, Inc. Chairman, Chief Executive & Financial Officer at Bell Canada International, Inc. President for BCE Mobile Communications, Inc. President at BCE Ventures, Inc. and Chief Financial Officer of The Bell Telephone Company of Canada (which are all subsidiaries of BCE, Inc.), Chairman at Nordion (Canada), Inc., Chief Financial Officer of Bell Cablemedia Plc and Partner at KPMG LLP.

William D. Anderson received an undergraduate degree from the University of Western Ontario.