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John Stewart

General Manager

John is General Manager of PGG Wrightson Seeds Australia. He is an experienced agribusiness executive having worked in the seed and biotechnology industry in Australia, New Zealand, Europe and the USA. Previously, John was the founding CEO of PrimeAg Australia Limited, a corporate farm investment company listed on the ASX. In the early 2000’s he was the International Manager for the cottonseed company Delta and Pine Land based in Scott Mississippi, now owned by Monsanto. In 2003, he established Grasslanz Technology Limited, a subsidiary of the New Zealand Crown Research Institute AgResearch, to develop and commercialise pasture seed technologies. In 2006, John was Research Manager at PGG Wrightson Seeds in Christchurch. John holds an Agricultural Science degree from the University of New England.