The Board comprises 10 Directors: two Executive Directors, the Group Chairman and seven Non-Executive Directors of whom one is currently nominated by Tirlán Co-operative Society Limited (the ‘Society’).
Hugh McGuire
Term of office
Date of appointment: 1 January 2024
Tenure: Seven full years (over each of his terms)
Committee Membership
Development Committee (Member)
Skills and Expertise
Extensive strategic, corporate development and acquisition experience. Strong leadership qualities acquired from a successful career within Glanbia plc.
Experience
Hugh McGuire was appointed as Chief Executive Officer on 1 January 2024. Hugh joined Glanbia in 2003 and previously held a range of senior leadership roles across the Group. He served as Chief Executive Officer of Glanbia’s Performance Nutrition business (“GPN”) from 2008 to 2023 where he led a period of substantial growth in the business. He has been a member of the Group Operating Executive since 2013 and previously served on the Board from June 2013 to April 2019. Prior to joining Glanbia, he worked with McKinsey & Company, Nestle and Leaf. Hugh graduated with an M.Sc. in Food Science from University College Dublin and has a Diploma in Accounting and Finance from the Association of Chartered Certified Accountants Ireland.
Key External Appointments
Director of ClonBio Group Limited.
Mark Garvey
Term of office
Date of Appointment: 12 November 2013
Tenure: Twelve full years
Committee Membership
Development Committee (Member)
Sustainability Committee (Member)
Skills and Expertise
Strong background in finance and global executive management and extensive experience in the food and beverage industry.
Experience
Mark Garvey was appointed as Chief Financial Officer on 12 November 2013. Prior to joining Glanbia he held the position of Executive Vice President and Chief Financial Officer with Sara Lee Corporation, a leading global food and beverage company. Mark also held a number of senior finance roles in the Sara Lee Corporation in the US and Europe and prior to that he worked with Arthur Andersen in Ireland and the US. A Fellow of Chartered Accountants Ireland and the American Institute of Certified Public Accountants, Mark graduated from University College Dublin with a Bachelor of Commerce degree and Diploma in Professional Accounting and has an Executive MBA from Northwestern University, Illinois, USA.
Key External Appointments
None.
Liam Hennigan
Term of Office
Date of Appointment: 4 April 2022
Tenure: Three full years
Skills and Expertise
In-depth knowledge of the consumer goods sector, strategy, finance, restructuring, mergers, acquisitions, capital markets and communications.
Experience
Liam Hennigan was appointed Group Secretary and Head of Investor Relations on 4 April 2022, having previously held the position of Group Director of Strategic Planning and Investor Relations. Liam joined the Group in 2014 as Head of Investor Relations and later took on added responsibility for Strategic Planning. Liam previously worked as a Corporate Finance Director with PwC and prior to that at Diageo plc where he worked in brand innovation and marketing procurement. Liam has lived and worked extensively in the UK, USA, Spain and Ireland. He holds a degree in Food Technology from University College Cork, as well as an MBA from IE Business School, Spain and a diploma in Accounting from the Association of Chartered Certified Accountants.
Key External Appointments
None.
Paul Duffy
Term of office
Date of appointment: 1 March 2021
Tenure: Five full years
Committee Membership
Nomination and Governance Committee (Chair)
Remuneration Committee (Member)
Development Committee (Member)
Skills and Expertise
Experienced Chair and Chief Executive Officer with extensive knowledge of the consumer industry with significant strategic and brand experience.
Experience
Paul Duffy was appointed Group Chair on 1 January 2026. Paul is a former Group Chair and CEO of Pernod Ricard North America, a global leader in the Wine and Spirits industry. During his 25 year career with Pernod Ricard, Paul held a number of senior management positions including Group Chair and CEO roles at Pernod Ricard UK, The Absolut Company (Sweden) and Irish Distillers. He served on the Pernod Ricard worldwide management executive committee. Paul is currently a director of W.A. Baxter & Sons, a United Kingdom Food Group and is a former director of Corby Spirit and Wine Limited, a leading Canadian marketer and distributor of spirits and wines listed on the Toronto Stock Exchange. Paul is a Fellow of Chartered Accountants Ireland and is a graduate of Trinity College Dublin, Ireland.
Key External Appointments
Non-Executive Director of Hostelworld Group plc and W.A. Baxter & Son.
Róisín Brennan
Term of office
Date of appointment: 1 January 2021
Tenure: Five full years
Committee Membership
Nomination and Governance Committee (Member)
Remuneration Committee (Member)
Development Committee (Member)
Skills and Expertise
Extensive strategic and financial advisory experience across many sectors including food and fast moving consumer goods (“FMCG”).
Experience
Róisín Brennan is a former Chief Executive of IBI Corporate Finance Ltd and has over 20 years of investment banking experience, particularly advising public companies in Ireland. She brings strong strategic and financial advisory experience across many sectors including food and FMCG to the Board. Róisín is currently a Non-Executive Director of Ryanair Holdings plc and Musgrave Group plc. Formerly, she was a Non-Executive Director of DCC plc from 2005 until 2016 and is also a former Non-Executive Director of Hibernia REIT plc, Wireless Group plc, Coillte DAC , The Irish Takeover Panel and Dell Bank International DAC. A Fellow of Chartered Accountants Ireland, Róisín graduated from University College Dublin, Ireland with a Bachelor of Civil Law degree.
Key External Appointments
Non-Executive Director of Ryanair Holdings plc and Musgrave Group plc
Ilona Haaijer
Term of office
Date of appointment: 1 August 2022
Tenure: Three Full Years
Committee Membership
Sustainability Committee (Member)
Development Committee (Member)
Audit Committee (Member)
Skills and Expertise
Extensive and significant leadership experience of strategic development, change management, mergers and acquisitions and leading complex, global businesses in the food ingredients and consumer sectors.
Experience
Ilona Haaijer is a former President and CEO of DSM Food Specialties, President of DSM Personal Care and also previously served as CEO of Bugaboo International, CEO of Philips AVENT, Vice President Corporate Strategy of Royal Philips Electronics, and as a Consultant at The Boston Consulting Group. Ilona brings significant international experience of food ingredient and consumer oriented businesses and is currently a Non-Executive Director of Corbion N.V., an Amsterdam based Euronext listed food and bio-technology company and a Board Advisor of Coroflo. Formerly, she was a Non-Executive Director of RPC Group plc and Royal Boskalis Westminster N.V.. Ilona graduated from the University of Groningen, Netherlands with an MA in Business Economics.
Key External Appointments
Non-Executive Director of Corbion N.V. and Board Advisor Coroflo Limited.
Jane Lodge
Term of office
Date of appointment: 1 November 2020
Tenure: Five full years
Committee Membership
Remuneration Committee (Chair)
Audit Committee (Member)
Development Committee (Member)
Skills and Expertise
In-depth knowledge of international business, management, corporate transactions, corporate governance and reporting gained from a successful career with Deloitte.
Experience
Jane Lodge is a former Senior Audit Partner of Deloitte with extensive knowledge and experience of international businesses in a wide range of sectors. Jane served on the Deloitte UK Board of Partners and was the UK Manufacturing Industry Lead Partner. She is currently a Non-Executive Director of Bakkavor Group plc, FirstGroup plc and Morgan Advanced Materials plc. She is a former Non-Executive Director of DCC plc, Devro plc, Costain Group plc, Sirius Minerals plc, and TI Fluid Systems plc. A Fellow of the Institute of Chartered Accountants in England and Wales, Jane graduated from University of Birmingham, United Kingdom with a BSc in Geology.
Key External Appointments
Non-Executive Director of FirstGroup plc, Morgan Advanced Materials plc and Bakkavor Group plc.
Senan Murphy
Term of office
Date of appointment: 30 April 2025
Tenure: Less than one year
Committee Membership
Sustainability Committee (Chair)
Audit Committee (Chair)
Development Committee
Nomination and Governance Committee
Skills and Expertise
Extensive international experience with a deep understanding of diverse market dynamics and strategic financial management across multiple industries, including building materials, renewable energy, financial services, and banking.
Experience
Senan was previously the Group Finance Director of CRH plc. Prior to joining CRH he was Bank of Ireland Group's Chief Operating Officer, having previously held positions as Chief Operating Officer and Finance Director at Ulster Bank, Chief Financial Officer at Airtricity and numerous senior financial roles in GE, both in Europe and the US. Senan has over 30 years' experience in international business across multiple industries including building materials, renewable energy, financial services and banking. Senan holds a Bachelor of Commerce and a Diploma in Professional Accounting from University College Dublin. He is a qualified FCA accountant with the Institute of Chartered Accountants.
Key External Appointments
Non-executive director of Kingspan Group plc and Bluestar Energy Capital, a US-based global investor in energy transition and renewable energy. He is also a member of the UCD College of Business Irish Advisory Board.
Gabriella Parisse
Term of office
Date of appointment: 1 June 2023
Tenure: Two Full Years
Committee Membership
Development Committee (Member)
Audit Committee (Member)
Skills and Expertise
Significant experience in consumer brand development, the food ingredients industry, innovation and strategic leadership of multinational businesses.
Experience
Gabriella Parisse is currently President and Chief Executive Officer of Velcro Companies, a global leader in innovative fastening solutions and owner of the iconic VELCRO® Brand. She brings more than 35 years of international leadership experience across consumer goods and business‑to‑business industries, with deep expertise in strategic transformation, brand‑led growth, innovation, and global operations. Prior to joining Velcro Companies and becoming CEO in 2021, she served on the Executive Committee of Tate & Lyle plc, a global food ingredients company, as President of Innovation and Commercial Development. Previously, Gabriella spent 26 years at Johnson & Johnson, where she held multiple leadership roles including Managing Director of Johnson & Johnson Italy and Vice President, Skincare for Europe, Africa and the Middle East. Gabriella holds a Master’s degree in Statistics and Demographics Science from La Sapienza University of Rome, Italy and is a recipient of Italy’s Order of Merit for Labour (Cavaliere del Lavoro)
Key External Appointments
President and CEO of Velcro Companies
Kimberly Underhill
Term of office
Date of appointment: 1 August 2022
Tenure: Three full years
Committee Membership
Remuneration Committee (Member)
Development Committee (Member)
Nomination and Governance Committee (Member)
Skills and Expertise
Extensive and significant leadership experience in US and international consumer products businesses, with particular strength in product development, marketing, portfolio management, brand-building, strategic planning and international business development.
Experience
Kimberly Underhill is a former Group President, Consumer Business North America of Kimberly-Clark. During her 33 year career with Kimberly-Clark, she held roles within research and engineering, operations and marketing. Kimberly served as Global President, Kimberly-Clark Professional and as President, Consumer Europe. Kimberly currently serves on the Board of Trustees of Theda Care Regional Medical Centre and is a Director of The Menasha Corporation (a privately held company that is a packaging manufacturer and provider of supply chain solutions). Formerly, Kimberly served as Non-Executive Director of Foot Locker Inc., the global sportswear and footwear retailer listed on the New York Stock Exchange, chaired the Network of Executive Women and was a Director of the Food Marketing Institute. Kimberly graduated from Milwaukee School of Engineering with a MSc in Engineering Management, and Purdue University, USA with a BSc in Chemical Engineering.
Key External Appointments
Director of The Menasha Corporation.
Gerard O’Brien
Term of office
Date of appointment: 05 August 2026
Tenure: Less than one full year
Skills and Expertise
Extensive knowledge of the global food industry and experience in the governance and strategic management of a global nutrition business gained from his tenure on the board of Tirlán Co-operative Society Limited.
Experience
Gerard O’Brien manages his own agricultural business in Co. Waterford, Ireland. He has served on the board of Tirlán Co operative Society Limited since 2018, serving as Vice-Chair from May 2024 to May 2025 and appointed as Chair of Tirlán Co operative Society Limited on 08 May 2026. Gerard has completed a Diploma in Corporate Direction from University College Cork.
Key External Appointments
Chair of Tirlán Co-operative Society Limited.
The Board has a clear governance framework with defined responsibilities and accountabilities. Glanbia plc Senior Leadership comprises the Glanbia plc Group Operating Executive and the Group Senior Leadership Team.
Hugh McGuire
Term of office
Date of appointment: 1 January 2024
Tenure: Seven full years (over each of his terms)
Committee Membership
Development Committee (Member)
Skills and Expertise
Extensive strategic, corporate development and acquisition experience. Strong leadership qualities acquired from a successful career within Glanbia plc.
Experience
Hugh McGuire was appointed as Chief Executive Officer on 1 January 2024. Hugh joined Glanbia in 2003 and previously held a range of senior leadership roles across the Group. He served as Chief Executive Officer of Glanbia’s Performance Nutrition business (“GPN”) from 2008 to 2023 where he led a period of substantial growth in the business. He has been a member of the Group Operating Executive since 2013 and previously served on the Board from June 2013 to April 2019. Prior to joining Glanbia, he worked with McKinsey & Company, Nestle and Leaf. Hugh graduated with an M.Sc. in Food Science from University College Dublin and has a Diploma in Accounting and Finance from the Association of Chartered Certified Accountants Ireland.
Key External Appointments
Director of ClonBio Group Limited.
Mark Garvey
Term of office
Date of Appointment: 12 November 2013
Tenure: Twelve full years
Committee Membership
Development Committee (Member)
Sustainability Committee (Member)
Skills and Expertise
Strong background in finance and global executive management and extensive experience in the food and beverage industry.
Experience
Mark Garvey was appointed as Chief Financial Officer on 12 November 2013. Prior to joining Glanbia he held the position of Executive Vice President and Chief Financial Officer with Sara Lee Corporation, a leading global food and beverage company. Mark also held a number of senior finance roles in the Sara Lee Corporation in the US and Europe and prior to that he worked with Arthur Andersen in Ireland and the US. A Fellow of Chartered Accountants Ireland and the American Institute of Certified Public Accountants, Mark graduated from University College Dublin with a Bachelor of Commerce degree and Diploma in Professional Accounting and has an Executive MBA from Northwestern University, Illinois, USA.
Key External Appointments
None.
Ian Doyle
Term of office
Date of appointment: 4 January 2022
Tenure: Three full years
Skills and Expertise
A deep knowledge of international corporate finance with extensive experience negotiating and structuring complex acquisitions, divestitures, investments and partnerships.
Experience
Ian Doyle is Chief Corporate Development Officer and is responsible for identifying partnership, acquisition and new business opportunities globally. Prior to joining Glanbia, he was Managing Director in the North American Consumer Retail Group of Nomura Securities with responsibility for food and beverage companies. Previously Ian was based in London and was part of Lehman Brothers’ European investment banking business. He holds a degree in Business Studies and German from Trinity College Dublin, Ireland.
Key External Appointments
None
Monica McGurk
Term of office
Date of appointment: 1 January 2025
Tenure: Less than one year
Skills and Expertise
Strong people leader with depth leading growth, commercial capabilities including innovation/R&D, marketing, sales, revenue growth management – strategy, and performance improvement. Strong track record in insights and analytics, digital and eCommerce. Extensive tenure in the food and beverage industry.
Experience
Monica was appointed CEO of Glanbia Performance Nutrition Americas on 1 January 2025, having held the role of President GPN Americas upon joining the Group in 2024. Prior to joining Glanbia, Monica spent more than 25 years in the consumer goods industry with a focus in food and beverage. She has held senior executive P&L and functional positions across Tropicana Brands Group, Kellogg, Tyson Foods, and The Coca-Cola Company, and was previously a partner with McKinsey & Company. Monica holds an MBA and MA in Education from Stanford University, USA.
Key External Appointments
Independent Director - Bunge
Sorcha McKenna
Term of office
Date of appointment: 4 February 2025
Tenure: Less than one year
Skills and Expertise
Deep experience in strategy development and implementation in Consumer and Healthcare sectors, with expertise in organisation and operating model change and implementing large scale transformations.
Experience
Sorcha joined Glanbia on 4 February 2025 from McKinsey & Company, where she held various senior roles over the past two decades, most recently serving as Partner & Country Lead for McKinsey in Ireland. Her background includes leading organisational transformations and developing and implementing growth strategies for global businesses, working across multiple industries, including the consumer, retail, private equity and healthcare sectors. Sorcha holds a PhD in molecular biology from Trinity College Dublin and continues to have an interest in innovation in biochemistry. She has co-authored papers in McKinsey on obesity. Her background in science and research will be helpful as we look to evolve our Group-wide science & innovation strategy as a key growth initiative for Glanbia.
Key External Appointments
Chair on the Board of ChangeX
Board member of Kyrie Farm
Arnaud Schuh
Term of office
Date of appointment: 1 October 2025
Tenure: Less than one year
Skills and Expertise
25-year B2B experience leading the growth of ingredients and packaging players in the Food & Beverage industry. Strong track record in strategy development, business integration and business transformation, focusing on growth initiatives and operational excellence to deliver performance.
Experience
Arnaud was appointed CEO of Health & Nutrition on 1 October 2025. Prior to joining Glanbia, Arnaud held the position of President, Nourish Ingredients at International Flavors & Fragrances (IFF) and led the Emulsifiers & Sweeteners business at Dupont Nutrition & Biosciences prior to its acquisition by IFF. Before joining Dupont, Arnaud held executive positions at Albea and Amcor and began his career with McKinsey & Company in Paris. Arnaud holds an MBA from HEC Paris, France and an Engineering degree from ENSEA, France.
Andy Shaw
Term of office
Date of appointment: 1 January 2025
Tenure: Less than one year
Skills and Expertise
Significant commercial experience with a particular focus on business transformation, performance improvement and commercial operations. Extensive tenure in the food and beverage industry.
Experience
Andy was appointed CEO of Glanbia Performance Nutrition International on 1 January 2025 having held the position of President, Glanbia Performance Nutrition EMEA and ASPAC. Andy joined the Group in 2019 as President, Glanbia Performance Nutrition Europe and this role expanded in 2021 to cover ASPAC. Prior to joining Glanbia, Andy held a number of commercial and marketing roles in GlaxoSmithKline and spent 14 years with Red Bull, holding senior leadership roles in Europe and the US, including Managing Director, Iberia and Managing Director, UK. Andy holds a BA in Commerce from Napier University, Edinburgh, Scotland.
Key External Appointments
None
Wendy Smith
Term of office
Date of appointment: 1 March 2024
Tenure: One Full Year
Skills and Expertise
Significant finance experience with a particular focus on business transformation and leveraging digitisation and automation to accelerate long-term growth.
Experience
Wendy was appointed Chief Digital & Transformation Officer on 1 March 2024 having previously held the position of Chief Financial Officer, Glanbia Performance Nutrition. Prior to joining Glanbia, Wendy held senior finance positions with Amazon, Kellogg, Johnson & Johnson and Proctor and Gamble, working in the US, Europe and Asia, where several of her previous roles included digital and transformation responsibilities. She holds a Bachelor of Science (Mathematics) and Masters degree in Business Administration (Finance) from Brigham Young University in the United States.
Key External Appointments
None
Tom Tench
Term of office
Date of appointment: 1 May 2025
Tenure: Less than one year
Skills and Expertise
Extensive strategic, commercial and corporate development experience. Strong leadership qualities acquired from a successful career within Glanbia.
Experience
Tom was appointed CEO, Dairy Nutrition on 1 May 2025, having held the role of Chief Operating Officer, Glanbia Nutritionals since 2019. Tom joined the Group in 2005 as Vice President Corporate Development & Strategy, and joined the Group Executive in 2013 as Group Development Director. Tom has significant experience across supply chain performance and business integrations and oversaw the construction and successful commissioning of the Group’s MWC joint venture. Prior to joining Glanbia, Tom held a number of roles in investment banking and investment management and also served for 10 years as an officer in the US military. Tom holds an MBA from Northwestern University and an Engineering degree from Villanova University.
Key External Appointments
None
Steve Waters
Term of office
Date of appointment: 1 May 2025
Tenure: Less than one year
Skills and Expertise
Significant experience across global supply chain including operations, planning, logistics, quality, engineering, EHS and regulatory functions as well as lean manufacturing. Extensive tenure in the food and beverage industry.
Experience
Steve was appointed Chief Supply Chain Officer on 1 May 2025, having held the role of Chief Operating Officer, Performance Nutrition since September 2023 where he played an instrumental role in transforming the Group’s product supply function. Steve joined the Group in 2019 as Vice President of Product Supply International. Prior to joining Glanbia, Steve held a number of roles in manufacturing and supply chain with Diageo and Heineken. Steve graduated from Leeds University with a Bachelor of Engineering degree in Chemical Engineering is a qualified Master Brewer.
Key External Appointments
None
Aisling Zito
Term of office
Date of appointment: 1 January 2026
Tenure: Less than one year
Skills and Expertise
A deep knowledge of global human resources management with expertise in talent and organisation development, strengthening leadership capability and shaping the culture of the business.
Experience
Aisling Zito is Chief Human Resources Officer and has responsibility for the strategic leadership of Group Human Resources within Glanbia. Aisling joined Glanbia in 2016 and has held a number of senior leadership roles across the organisation, most recently serving as Chief People Officer for Performance Nutrition, with additional responsibility for group-wide talent acquisition and transformation. Aisling spent nearly a decade with Mars where she held a range of international HR and business leadership roles, including Global HR Director and General Manager. Prior to joining Glanbia, Aisling also worked with EY in Dublin, where she helped establish and grow the firm’s People Advisory Services practice. Aisling holds a degree from George Mason University and an MBA from the University of Maryland.
Key External Appointments
None