Diageo has announced the appointment of Louise Ryan as the new managing director of Diageo Ireland, coming into effect from 1 June 2025.

Originally from Dublin, Ryan joins Diageo Ireland from Pernod Ricard where she was managing director of its Nordics business since 2023.

Ryan has held a number of strategic roles across the FMCG sector including a range of managerial positions at Mars in Ireland, prior to joining Pernod Ricard in 2011.

“I’m delighted that Louise is joining Diageo Ireland,” said John Kennedy, Diageo Europe President. “The Irish business is in a very strong position with a great culture and exceptional performance. I know her focus on high performing teams and people-centred leadership will help accelerate the Irish business even further over the coming years.”

At Pernod Ricard, Ryan led the Irish business (Irish Distillers) with responsibility for domestic sales, marketing and distribution across the entire portfolio of Spirits, Wine and Champagne portfolio. She then went on to lead the Gin Hub as a member of the UK Executive Committee.

Current Diageo Ireland managing director Barry O’Sullivan will take up a new role as managing director of Diageo GB, effective 1 July 2025.

As these changes take place, current managing director of Diageo GB, Nuno Tales will be taking on the role as managing director of Diageo Mexico. Transition plans are in place across all markets over the coming weeks.

“I am thrilled to be taking up the role of managing director of Diageo Ireland, joining a stellar team who have created a dynamic and vibrant business,” said Louise Ryan.

“Diageo and their world-famous brands are at the heart of culture, business and innovation in Ireland, and I’m excited to bring my experience to the role and help shape the future of this thriving business.”