The Central Bank's chief economist Gabriel Fagan has announced that he will retire later this year.
Dr Fagan has served as chief economist since 2014, and in that role he is a member of the European Central Bank's Monetary Policy Committee.
Before coming to the Central Bank, he worked in the European Central Bank, European Monetary Institute and the Committee of Governors in Basel.
Central Bank Governor Professor Philip Lane said that Dr Fagan had strengthened the output of the Central Bank's economic analysis and played an important role in shaping our macroprudential policy.
"His expertise and advice will be missed, and we are extremely grateful to him for his work," he added.
The Central Bank also said today that Anne Marie McKiernan will leave her role as Registrar of Credit Unions to take up a new position as Special Advisor (International Relations) to the Governor of the Central Bank.
In this new role, Anne Marie has been nominated by Finance Minister Michael Noonan to be Ireland's Alternative Executive Director at the International Monetary Fund up to 2020.
Ed Sibley, Director of Credit Institutions Supervision, will assume the role of Acting Registrar of Credit Unions from July, pending the recruitment process for the role.
The Central Bank has also confirmed the appointment of Martin Moloney as Special Advisor (Policy & Risk).
In this role, he will provide global strategic advice in the area of regulatory and supervisory policy. Mr Moloney is currently Head of the Markets Policy Division at the bank.
