The Scheme Actuary is responsible for assessing the NDIS's financial sustainability.
Under the NDIS Act, Section 180A, the NDIA Board must nominate, in writing, a Scheme Actuary.
Sarah Johnson was nominated as Scheme Actuary in November 2013 and continues in the role to this day.
The Reviewing Actuary is responsible for reviewing and reporting to the Board on actuarial reports and Board advice.
Under the NDIS Act, Section 180D, the NDIA Board must nominate, in writing, a Reviewing Actuary.
Guy Thorburn was nominated as Reviewing Actuary, starting in February 2020.