There's more upheaval for the National Disability Insurance Scheme, with the boss of the organisation responsible for the multi billion dollar rollout quitting after less than two years in the job.

Rob De Luca's resignation from the National Disability Insurance Agency is effective immediately — he's taking up a job with a private healthcare provider that gets a large amount of its income from the NDIS.

Disability advocates are now waiting to see who'll replace him.

Guest: Matthew Bowden, co-CEO, People with Disability Australia

Producer: Kim Landers