Hayden has served in numerous governance roles over the years including being the current Chair of Te Hiringa Mahara (the Mental Health & Wellbeing Commission), and Trustee of Te Kāhui o Taranaki Trust.
He is also a Trustee on the Taranaki Arts Festival Board, on the New Zealand Board of SurfAid and a Trustee of Wise Group, a Hamilton-based NGO, which provides mental health, addiction, and social services.
His former roles include CEO of TuiOra and chairing organisations including the TSB Community Trust (now Toi Foundation), TSB Group Ltd, Taranaki District Health Board, the National Health Board, and the Health Sponsorship Council.