Peter Tyndall has been reappointed as Ombudsman and Information Commissioner for a second term.
Mr Tyndall was originally appointed to the role in December 2013 for a term of six years.
The Ombudsman's job is to examine complaints from people who feel that they have been unfairly treated by certain public service providers.
As Information Commissioner his job is to review decisions made by public bodies in response to Freedom of Information requests, and to make binding new decisions.
In 2016 Mr Tyndall was elected President of the International Ombudsman Institute (IOI). Ireland will host the world conference of the IOI in 2020.
Following his reappointment, he said: "I am honoured and privileged to be re-appointed Ombudsman and Information Commissioner by President Higgins.
"I will continue to serve the public and the Oireachtas by providing access to redress for people who have suffered an injustice, driving improvements in our public services, and facilitating transparency and accountability in public life."