NEW YORK--(BUSINESS WIRE)--Fitch believes the realignment of senior management including the expansion of the office of the president at Pacific Gas and Electric (PG&E) is a modestly constructive event from a credit standpoint for PG&E and its corporate parent, PG&E Corporation. We believe the appointment of Geisha Williams to the expanded office of president of electric operations and Nick Stavropoulos to president of gas operations underscores continuing management efforts to impr