Michael Nehf was selected as executive director of the Ohio State Teachers Retirement System, Columbus, according to a news release. He is replacing Damon Asbury, who is retiring from the $79.6 billion system June 30. Mr. Nehf was executive director of the Georgia Employees Retirement System, with $16 billion in assets. Calls and e-mails to the Ohio and Georgia fund officials were not returned by press time. Executive recruiter Hudepohl and Associates assisted in the search.