Dr. Subramanian Senthilkannan Muthu is currently Head of Sustainability at the SgT Group and API in Hong Kong. He holds a Ph.D. from The Hong Kong Polytechnic University. He is a leading expert in the areas of environmental sustainability in textiles & the clothing supply chain, product life cycle assessment (LCA) and product carbon footprint (PCF) assessment in various industrial sectors, and has extensive industrial experience in these fields. He has published more than 75 research papers, written numerous book chapters and authored/edited over 80 books.