Assistant Professor Dr. Sitisaiyidah Saiwari started to work as a lecturer in Department of Rubber Technology and Polymer Science, Faculty of Science and Technology, Prince of Songkla University, Pattani Campus, Thailand in 2005. She finished her PhD from Department of Elastomer Technology and Engineering (ETE), University of Twente, The Netherlands on the thesis topic “Post-consumer tires back into new tires: de-vulcanization and re-utilization of passenger car tires”. She did post-doc research under the topic "Development of a continuous process for high-quality reclaim, based on whole passenger car tire material". She continues her work as a lecturer at PSU on research field of RUBBER RECYCLING and has publications for 38 papers in ISI/Scopus journals; 68 proceedings and presentations; 2 book chapters; 3 patents filing.