Paul was the interim Chief Executive Officer for Aged & Community Care Providers (ACCPA) and previous CEO of Aged & Community Services Australia (ACSA), the peak body representing not-for-profit aged and community care service providers. He also runs the aged care consultancy business Paul Sadler Consultancy. Paul was the CEO of Presbyterian Aged Care NSW & ACT from April 2007 to March 2021. Before that, Paul was CEO of Aged & Community Services NSW & ACT, held various positions on ageing and disability issues in the NSW Government, including Manager of HACC (Home and Community Care) and Ageing Programs, and worked as a social worker with frail older people, people with disabilities and their carers. Paul is a Fellow of the Australian Association of Gerontology.