Grainne Wafer
Non-Executive Director

Gráinne Wafer is a global business leader known for strategic interventions that drive transformational performance outcomes.
She joined Diageo Ireland as Head of PR/Sponsorship Manager in 1997 and has worked across markets and in different capacities for over 26 years. She has worked as Marketing Director Guinness & Smithwicks; Innovation & Spirits Marketing Director Ireland; Innovation Commercialisation Director, Europe; G lobal Marketing Director: Guinness; Global Brand Director Baileys & Roe and Co. R&A Baileys Board Director; Global Brand Director, Guinness. & Malta Guinness. She is currently Diageo’s Global Director for Beer, Baileys and Smirnoff.
She is a passionate advocate for inclusion and diversity and the Diageo leader of progressive marketing: representative for both the World Federation of Advertisers Inclusion and Diversity Taskforce and the United Nations UN-stereotype Alliance which seeks to eradicate harmful gender-based stereotypes in advertising.
She has Bachelors degree in English & German and a Masters degree in Modern English & American Literature UCD.
She was appointed to the Board as a Non-Executive Director with effect from the 25th of January 2023
Married with two children, Gráinne loves gathering friends and family together for food, conversation and celebrations.
Board of Directors
Omobola Johnson
Non-Executive Director/Board Chair
Dayalan Nayager
Non–Executive Director/Vice Chairman
John Musunga
Managing Director/Chief Executive Officer
Ambassador Sunday Dogonyaro
Independent Non-Executive Director
Ngozi Edozien
Independent Non-Executive Director
Grainne Wafer
Non-Executive Director
Leo Breen
Non-Executive Director
Emmanuel Difom
Executive Director/Finance and Strategy Director
Yemisi Ayeni
Independent Non-Executive Director
Tariye Gbadegesin
Non-Executive Director
Fabian Ajogwu
Independent Non-Executive Director
Rotimi Odusola
Corporate Relations Director/Company Secretary