The global financial crisis, government austerity measures and natural disasters have created new groups of vulnerable people, and cuts to government services, and the shifting of public service delivery to private providers opened the door for corrupt practice and unreasonable decisions.
Internationally, ombudsmen were facing the fear of budgetary constraints impacting on timely investigations at a time when complaints were on the rise and ombudsmen were being asked to do more, Dame Beverley said.
This year's conference marks New Zealand's 50th anniversary of the establishment of the Office of the Ombudsman.
Speakers at the conference include former New Zealand prime minister and Administrator of the United Nations Development Programme Helen Clark.
The conference topics will range from holding leaders to account through to looking at the challenges faced by ombudsmen in assisting communities suddenly finding themselves displaced through natural disasters such as the Christchurch and Japan earthquakes and floods in Queensland.