Michael Coultrip was named chief investment officer at the $2.3 billion San Mateo County Employees' Retirement Association, Redwood Shores, Calif., according to a news release.
Mr. Coultrip replaced Gary Clifton, who retired in the spring.
Mr. Coultrip was director of pensions and investments at Raytheon Co., Waltham, Mass., where he oversaw $15 billion in defined benefit assets. Raytheon spokesman Jon Kasle refused to comment on a replacement.
SamCERA CEO David Bailey could not be reached for comment.
Douglas Appell contributed to this item.