Lee Tin Sin is a researcher, professional engineer and associate professor. He graduated with Bachelor of Engineering (Chemical-Polymer) First Class Honours and Ph.D in Polymer Engineering from Universiti Teknologi Malaysia. Dr. Lee has been involved in rubber processing, biopolymer, nanocomposite and polymer synthesis with numerous publications of journal papers, book chapters and conferences. He was the recipient of the Society of Chemical Engineers Japan Award for Outstanding Asian Researcher and Engineer 2018 for his contribution on polymer research. He was also conferred Meritorious Service Medal (PJK) by the Sultan of Selangor State, Malaysia in year 2019. He co-authored ‘Polylactic Acid’ (Elsevier), the First and Second Editions which were published in 2012 and 2019, respectively. In 2023, he co-authored ‘Plastics and Sustainability’, also published by Elsevier.