William Edmund Clark is a businessperson who has been the head of 9 different companies.

He is Member of Order of Canada and Chairman-Artificial Intelligence at Vector Institute and on the board of 6 other companies.

Dr. Clark previously occupied the position of Group President, CEO & Non-Independent Director at The Toronto-Dominion Bank Chairman at TD Canada Trust Co. Chairman of TD Bank US Holding Co. Chairman of TD Bank, NA, President & Chief Executive Officer at CT Financial Services, Inc. President & Chief Executive Officer for Canada Trustco Mortgage Co. Director at TDAM USA, Inc. and President-Financial Group at TD Bank USA, Inc. (which are all subsidiaries of The Toronto-Dominion Bank), Co-Chairman-Heart & Circulation Campaign at University Health Network, Chairman & Chief Executive Officer for Morgan Financial Corp. (Colorado), Chairman for The Liquor Control Board of Ontario, President & Chief Executive Officer of Canada Trust Financial Services and Principal at Merrill Lynch & Co. Canada Ltd.

He received an undergraduate degree from the University of Toronto and a graduate degree and a doctorate from Harvard University.