Subramanian Senthilkannan Muthu is the Director & Head of Sustainability for SgT & API (Hong Kong), and a Director of the Textile and Bioengineering Informatics Society (TBIS), a charity created to develop and promote the bioengineering of materials, fibers and textiles. Well-known for his contributions in the field, his extensive academic and industrial experience has led to over 85 books and more than 100 research publications.