Edward Anthes Rieder was a Canadian actuary who spent the entirety of his career with Mutual Life of Canada. Born October 6, 1908 in Berlin, Ontario (now Kitchener), he was the second child of Talmon and Martha (nee Anthes) Rieder. He graduated with a bachelor of commerce from the University of Toronto in 1931, landing a job in the actuarial department of Mutual Life the same year. He held several roles at the company, rising through the ranks over the course of several decades. He was named assistant general manager and actuary in 1954, and vice-president and general manager in 1958. Named vice-president in 1959, he held the role until 1964 when he was elected chairman of the board.

Rieder married Jean Patricia Rudell in Kitchener, Ontario on September 26, 1936 and together they had several children.

Rieder died at the Toronto General Hospital on May 23, 1966 following a lengthy illness and was buried at Mount Hope Cemetery. He was survived by his mother, wife Jean (nee Rudell, and several children.