Three more people now hold leadership roles in ColumbusCOLUMBUS, Miss. (WCBI) – The city of Columbus is adding to its team. In a press release, the city announced that three more people – Donna Davis, Myra W. Armistead, J.D., and Cory Clark now hold leadership roles in the Friendly City. Myra W. Armistead, J.D. According to the release, Armistead is quoted as having ” years of courtroom leadership” along with extensive legal and court administrative experience.