Dr. Subramanian Senthilkannan Muthu currently works for SGS as a global sustainability consultant, based at Hong Kong. He gained his diploma, bachelors and masters in Textile Technology from leading institutes in India. He was awarded his doctorate by The Institute of Textiles and Clothing of The Hong Kong Polytechnic University for his dissertation entitled, "Eco-functional Assessment of Grocery Shopping Bags". He has more than seven years of industrial experience in textile manufacturing, textile testing and sustainability evaluation of various materials. He was an outstanding student and received numerous awards and gold medals during his studies. He has more than 80 academic publications in various textiles and environmental journals to his name. Additionally he has 2 patents, and has written 6 book chapters and over 25 scientific books and numerous conference publications. He is also an editor, editorial board member and reviewer for many international peer-reviewed journals in the field of textiles and environmental science.

Fashion Renovation via Upcycling.- The Use of Recycled Fibers in Fashion and Home Products.- Denim Recycling.

This book discusses in detail the concepts of recycling and upcycling and their implications for the textiles and fashion sector. In addition to the theoretical concepts, the book also presents various options for recycling and upcycling in textiles and fashion. Although recycling is a much-developed and widely used concept, upcycling is also gaining popularity in the sector.