Professor Dr. Pornchai Rachtanapun is a leading expert in packaging technology and biopolymer materials at Chiang Mai University, where he heads the Agro BCG Center of Excellence. He earned his Ph.D. in Packaging from Michigan State University, an M.Sc. in Chemistry from Michigan Technological University, and a B.Sc. in Packaging Technology from Kasetsart University. His research focuses on biodegradable, smart, and active packaging, along with nanomaterials, antimicrobial films, and food safety indicators. Recognized by Stanford University among the "World's Top 2% Scientists" in Polymer Science (2022–2024), Prof. Rachtanapun has over 200 peer-reviewed publications and his work is highly cited. He has presented at numerous international conferences and received over 50 research and innovation awards, including medals from the Seoul International Invention Fair and the National Research Council of Thailand. He is also an editor and reviewer for over 30 journals, including Polymers, Molecules, and Food Packaging and Shelf Life. Prof. Rachtanapun has mentored many graduate students and engaged in extensive international collaborations. His contributions have significantly advanced sustainable materials and intelligent packaging, impacting food safety, environmental sustainability, and agricultural innovation.