Andrew Edlin

Head of Sustainability, Morrisons

Born and raised around the English Peak District and a lifelong lover of the outdoors, Andrew describes himself as a pragmatic environmentalist, focussing on solutions to the big global problems such as climate change and biodiversity in a corporate context.  He is Head of Sustainability at Morrisons, leading on the business wide Sustain programme, agriculture and nutrition as part of the organisations Leadership Team. Having studied Medical Science at the University of Sheffield, Environmental Protection at De Montfort University and Business at the University of Nottingham, he has a near 30 year career within the utility, support services, food manufacturing and retail sectors covering environment, ethical trade, responsible sourcing and sustainability at a strategic and operational levels, focusing on delivering positive change.

Andrew still lives on the edge of the Peak District today, along with his wife, Cathy, and their daughter, Beatrice.

Annie Williams

Senior Farm Sustainability Specialist, Arla

Annie is based in the UK but working in the Agricultural Sustainability team covering all Arla markets.Responsible for sustainability, innovation and development in feed and cow nutrition.Recently completed a Nuffield Farming Scholarship evaluating on farm advise on mineral nutrition.She Joined Arla one year ago, and prior to joining Arla a range of commercial and academic roles all in the area of ruminant nutrition.

David Christianson

  Kingston Hill Farm  

   


Dairy Farmer and Arla Board Member, Kingston Hill Farm

David runs Kingston Hill Farm Ltd, his family-owned farming company operating dairy and beef farming enterprises in the Thames Valley some 10 miles to the west of Oxford. Some 950 cows in two herds are milked and the business keeps circa another 1000 head of cattle. In addition to the farm, David has been on the Board of Representatives for Arla since 2012, has been involved in a similar capacity with the NFU Mutual since 2010 and was appointed to the board of Wynnstay PLC in April 2025.

Georgina Thomas

Technical Sales Manager YAF, Trouw Nutrition ECA

Georgina is the Technical Sales Manager for Young Animal Feed for Europe and Central Asia, working for Trouw Nutrition. Georgina graduated from the University of Nottingham before entering the feed industry to work as a ruminant nutritionist. Georgina has developed a passion for early life nutrition and now has a focus on the development and formulation of milk replacers for young calves. Georgina works to translate cutting edge science and research into practical on farm solutions that help to elevate calf performance to the next level.

Allard Esselink

Global Technical Manager Dairy

Allard Esselink is the Global Technical Manager Dairy within Trouw Nutrition’s Global Strategic Marketing team, having joined the company in 2016. His work focuses on developing and implementing digital dairy solutions and supporting Life Cycle Assessment (LCA) modelling, while providing technical and nutritional expertise across the ECA, APAC, and MEA regions. With a background rooted in his family’s dairy farm, he has built extensive experience through roles in technical sales, research support, feed formulation, quality management, and farm advisory. Allard holds degrees in Agriculture & Animal Production and an MBA, and he lives in Amersfoort with his family.

Dr. Jean-Baptiste Daniel 

Researcher at Trouw Nutrition Global R&D Innovation Centre

Dr. Jean-Baptiste Daniel is originally from Bretagne (France), where he grew up in a dairy farm. Jean-Baptiste completed a double MSc study in Animal Sciences with the Agriculture University of Angers (France) and Wageningen University (the Netherlands). The last MSc thesis in 2012 was conducted within the Ruminant R&D team of Trouw Nutrition and marked a first step in his young scientific career. This gave him the opportunity to go on with a PhD with AgroParisTech-INRA and Trouw Nutrition. The PhD focused on the quantification of milk yield and composition responses to dietary change in dairy cows, a critical component for improving nutrient efficiency at farm level.

Jess Marshall

Ruminant Nutritionist

Jess Marshall is the Ruminant Nutritionist at GLW Feeds Ltd, where she leads and continually develops their sustainability journey across both of their feed mills and on-farm operations. As a dairy farmer’s daughter from the Peak District she is able to combine commercial decision-making with innovation, taking the cows lifetime approach to dairy nutrition.

Jess believes there’s no sustainability without profitability. She is committed to delivering practical, science-led solutions that genuinely support farmers. She is passionate about inspiring the next generation of farmers and young people entering the industry, recognising that sustainability is a key driver for this generation more than ever before.

Mark Hall

Commercial and Technical Manager Ruminants

Mark Hall is the Head of Technical and Commercial at Trouw Nutrition GB, where he has spent the past six years leading the development and delivery of the company’s technical and commercial strategy. In his role, Mark works closely with customers, industry partners, and the national sales team to drive value and innovation across the ruminant sector. He also manages both the technical manager and commercial functions, ensuring strong alignment between science, on‑farm practice, and business outcomes.

Before joining Trouw Nutrition, Mark held a key position at Premier Nutrition, where he led the organisation’s transition cow research programme and managed its transition cow team. It was here that he developed a deep and lasting passion for transition cow physiology and management—an area that continues to inform much of his technical focus and applied research today.

Earlier in his career, Mark worked with several compound feed manufacturers as a Technical Manager, where he shaped technical strategy, provided on‑farm support, and managed his own commercial ledger. These roles gave him a strong foundation in both practical ruminant nutrition and customer‑focused technical delivery. 

Mark graduated from the University of Nottingham in 2010 and has since built a reputation for combining scientific insight with practical expertise to support improved performance, health, and sustainability on dairy and beef farms across the UK.