CITY of Perth councillor Lisa Scaffidi has been elected as Perth’s new Lord Mayor, replacing Dr Peter Nattrass who has retired after serving a record three four-year terms. Ms Scaffidi beat runner-up and deputy lord mayor Michael Sutherland by 432 votes and will resign as state director of the Committee for Economic Development of Australia. Four vacancies for councillor were also contested and won by businessman John Tognolini, publisher Sandra Liu and re-nominating councillors Janet Davidson and Rob Butler.