Former Fonterra executive Kelvin Wickham takes over as Ballance Agri-Nutrients chief executive in September. A 34-year veteran with Fonterra, Wickham retired last year from the co-op as head of business activities across Africa, Middle East, Europe, North Asia, and the Americas. He has lived in Shanghai where he led Fonterra’s Greater China business across the full value chain from farms to brands. He replaces Mark Wynne who steps down after 9 years in the role.