Cllr Aidan Campbell is the new Cathaoirleach of the Carrickmacross-Castleblayney MD.
He takes over the role from the outgoing PJ O'Hanlon.
Meanwhile, Aoife McCooey was named Leas-Cathaoirleach of the MD - she is also Leas-Cathaoirleach of the County Council.
She was proposed for the position by Cllr O'Hanlon, who said she has great enthusiasm for local politics and added that she has a good future ahead of herself.
And speaking to Northern Sound after becoming Cathaoirleach, Aidan Campbell noted that recently retired Mary Kerr Conlon had been earmarked for the position.
He also paid tribute to out-going Chair PJ O'Hanlon: