SPILLERS® Nutritionist team

SPILLERS® have one of the most experienced technical teams in the country headed up by Technical Director Ruth Bishop BSc (Hons) PG Dip RNutr, a Registered Nutritionist and author of 'The Horse Nutrition Bible'.

The Director of Science at SPILLERS® is Pat Harris MA PhD DipECVCN VetMB MRCVS, who lectures all around the world on how nutrition effects equine health, welfare, behaviour and performance. Pat joined the WALTHAM® centre for pet nutrition in 1995. To read more about WALTHAM® and Pat's work, please visit our WALTHAM® page on this site.

The Nutritionist team also includes:

  • Clare Barfoot BSc (Hons) RNutr – Research and Development Manager, and Registered Nutritionist
  • Isabel Harker Bsc (Hons) – Technical Development Nutritionist


This team’s main responsibility is providing nutritional advice and training, undertaking product development and nutritional research.


Nutritional support for racing, breeding and competition horses

As well as our office based technical team, we have an experienced field based team, many of whom are deeply involved in the equine industry and compete to a high standard.  

The Thoroughbred Team:

  •  Kathy Lawson BSc (Hons) MSc – Thoroughbred Nutritionist (North)

Read the biographies of the SPILLERS® Thoroughbred Team.


The Competition Team:

  • Donna Ambrose BSc (Hons) – Competition Nutritionist (South England & Wales)
  • Charlotte Blaken BSc (Hons) - Competition Nutritionist (North England)
  • David Mathers HND – Competition Nutritionist (Scotland and Ireland)

Read the biographies of the SPILLERS® Competition Team.

These teams are field based and will undertake yard visits, create bespoke diets, organise forage analysis, liaise with vets and give specialist talks and presentations. You will also find them around at major equestrian competitions and race meetings.

Feed from our experience