Terry Gillen has resigned as Executive Director of the Philadelphia Redevelopment Authority. She will be replaced by Ed Covington, a Wachovia Bank executive. Covington was the marketing manager for community lending and investment for Wachovia's mid-Atlantic region. The change was voted on at a special RDA board meeting Wednesday and later announced by Mayor Nutter at City Hall. It is effective immediately. Gillen will work for Mayor Nutter on federal lobbying efforts.