Jo D. Witt, the former chief investment officer of the Oklahoma...

Jo D. Witt, the former chief investment officer of the Oklahoma Teachers’ Retirement System, died Nov. 17 after a battle with cancer. She was 63. Ms. Witt started with the Oklahoma City fund in 1970, and retired earlier this year. The Witt family has requested that donations be made in Ms. Witt’s name to Trinity Episcopal Church, Guthrie, Okla., or to a charity of choice.