Harriet Posner is a fashion educator, author and consultant with more than 40 years' experience in the fashion industry and 25 years in fashion education as a programme director and course leader. After graduating from Central Saint Martins, University of the Arts London, she established her own knitwear label selling in major stores worldwide and dressing celebrities including Madonna. She has worked as a fashion designer, retail buyer and international consultant in fashion marketing and branding.