Grantham Mayo Van Otterloo & Co. LLC appointed Scott Hayward CEO, effective Feb. 13.

Hayward succeeds Peg McGetrick, current CEO on an interim basis, who will remain a director. Hayward was previously CEO of Quantitative Management Associates LLC.

In addition, Andy Martin will serve as head of investment teams, a newly created role at Grantham Mayo. Martin most recently served at Cambridge Associates as managing director in the nonprofit practice and global head of hedge fund research.