Carol Kontor will resign from her post as state investment officer at the Nebraska Investment Council, Lincoln, said Gail Werner-Robertson, chairwoman. Ms. Kontor will remain in her role until officials at the $10.8 billion council name her replacement; she has agreed to stay until May 31, if necessary. Ms. Werner-Robertson said she believes Ms. Kontor wants to spend more time with family, adding, "No one wants to see her go." An investment committee will recommend a replacement, who will require Gov. Dave Heineman's approval. There isn't a specific timetable for naming a replacement, but Ms. Werner-Robertson said she would be "nervous" if the investment committee hasn't narrowed the search down to finalists by February. Ms. Kontor could not be reached for comment by press time.