Our People

We incorporate specialist nutrition expertise from John Foulds who was Tegel Foods leading Nutritionist for over 20 years and Glenys MacRae who has 25 years in the feed milling industry specialising in Quality Assurance/Compliance and Nutrition Support.

Managing Director

Michael Guthrie

Managing Director

Michael is a founding partner of MainFeeds’ parent company, Mainland Poultry Limited, which produces one third of New Zealand’s eggs. As managing director since 1996, Michael is ultimately responsible for the both the business’s egg production, through Zeagold Foods, and feed production, through MainFeeds. He is chairman of the Egg Producers Federation.

General Manager

Jeffrey Winmill

General Manager

Jeffrey is responsible for MainFeeds’ livestock farms and feed mills and is a founding partner of MainFeeds’ parent company. It is his job to ensure both Zeagold operations and commercial customers are supplied with consistent, top quality feed. Jeffrey has been in the industry for 35 years – half of those with Mainland Poultry Limited.

Sales Consultant

Desmond Smeath

Sales Consultant

In his sales role, Des liaises directly with MainFeeds’ farmers and customers. He started with the company in 2002, following many years farming and working in the engineering sector. Des has been involved with stock feed and free-range poultry throughout his career.

Nutritionist Consultant

John Foulds

Nutritionist Consultant

As nutritionist for the company, John oversees feed formulation, ingredient decisions and solves technical issues that arise across the plants. He has been with MainFeeds since 2011 and previously worked for Tegel Foods and NRM. John has more than 40 years’ experience in the industry.

Senior Laboratory Technician

Rathna Sri

Senior Laboratory Technician

Rathna manages MainFeeds’ regular laboratory testing regime and provides support across the company’s overall quality systems. Rathna joined MainFeeds in 2012, after time with Goodman Fielder in Palmerston North and NZ Labs in Auckland.

Quality Assurance Manager

Glenys Macrae

Quality Assurance Manager

As quality assurance manager, Glenys ensures both feed ingredients and finished feed formulas meet specification. She implements and maintains MainFeeds’ quality assurance and compliance programmes. Glenys has been with the company for 25 years – the first half of these at PCL’s Massey feed mill.

Plant Manager, Waikouaiti

Murray Collie

Plant Manager, Waikouaiti

Murray is responsible for day-to-day operations at the Waikouaiti plant. He manages the flow of incoming raw materials and the dispatch of finished product to the company’s large customer base. Murray has been with MainFeeds since 2008, having previously worked in the meat processing industry.

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