Michael Doorly has resigned as CEO of Independent News and Media after Belgian-Dutch group Mediahuis completed its €145.6m takeover of the company.
Yesterday the High Court approved the Belgian-Dutch firm's acquisition of INM, which also received ministerial approval this week.
Trading of INM shares was suspended from 7.30am on Euronext Dublin and the London Stock Exchange, with the shares expected to be cancelled tomorrow.
Mr Doorly who was appointed CEO in October 2017, has been replaced by Marc Vangeel, who is the former CEO of Belgium's Telegraaf Media Groep.
It was also acquired by Mediahuis in 2017.
INM's managing director of publishing, Richard McClean, has been promoted to the role of chief operations officer.
Meanwhile Peter Vandermeersch has been appointed publisher with INM, which will see him manage the long-term strategy of the group's newspapers as well as its digital transformation.
Mediahuis said the three men would also form a new Executive Committee, to which senior management would report.
Other changes announced today will see Catriona Mullane, John Bateson, Kieran Mulvey and Seamus Taaffe resign as directors at INM.
They will be replaced on the board by Mr Vangeel, as well as Mediahuis chairman Thomas Leysen, Mediahuis group CEO Gert Ysebaert, and Mediahuis COO Paul Verwilt.
Murdoch MacLennan will remain chairman of the Irish company, while Fionnuala Duggan, Kate Marsh and Len O'Hagan have agreed to remain on its board.
Announced in late April, Mediahuis' acquisition received the backing of INM shareholders at an extraordinary general meeting last month.
On Monday, the Minister for Communications, Climate Action and Environment Richard Bruton approved the takeover of INM, with High Court issuing its approval yesterday.
Founded in 2013, Mediahuis employs more than 3,200 people and last year reported a turnover of €819m.