Spark New Zealand Limited announcement of 18 October 2019, Spark has confirmed that Stefan Knight's first day as Chief Financial Officer has been brought forward from 1 March 2020 to 20 December 2019. Mr. Knight is succeeding David Chalmers, who has been announced as the next Chief Financial Officer of IOOF Holdings Limited. Mr. Chalmers will continue to assist with transition matters and his last day at Spark will be 28 February 2020.