Ciarán Devane has been appointed by the Minister for Health as Chairperson of the HSE Board.
It follows a public appointments service campaign to identify potential candidates.
Early tasks for the new Chair will be to participate in the selection of the CEO of the HSE, the process for which is underway, and to participate in the process for identifying other Board members.
Mr Devane is the Chief Executive of the British Council and was Chief Executive of the UK health charity, Macmillan Cancer Support.
Mr Devane has also been a member of the Board of NHS England.