Roger D Bancroftis a forensic plant pathologist specialising in the postharvest management of fresh produce, grains and their products. He established 'Postharvest Assistance' in 2001 and operates as a freelance surveyor, consultant and expert witness. His commissios include investigations into the causes of defective ripening, deterioration, spoilage and mycotoxin production in stores, containers, reefer and ships' cargoes. He also studies weaknesses in supply chains, evaluates postharvest technologies and handling practices, and quantifies biological and economic losses. He has managed technology transfer and research and development projects in the UK, the Caribbean and Africa and was formerly a Senior Scientist and lecturer at the Natural Resources Institute, University of Greenwich. Read More Read Less