John Hoerner, chief executive of clothing for Tesco Stores Plc will be the special after-dinner guest speaker at the Association of Suppliers to the British Clothing Industry's annual conference and dinner. He will be joined by 11 speakers from the international world of fashion retailing, garment and fabric development, testing, colour and care, global logistics, personnel training and industry analysis - all addressing the theme 'Tomorrow's World - Meeting the Challenges'.