Dr. Muralisrinivasan Natamai Subramanian is a plastics technology consultant specializing in materials, additives, synthesis, and processing equipment, including troubleshooting. He obtained the BSc degree in chemistry from Madurai Kamaraj University, India, and the MSc degree in polymer technology from Bharathiar University, India. He received his postgraduate diploma in plastics processing technology from CIPET, Chennai, India. He also received the doctor of philosophy degree in polymer chemistry from Madurai Kamaraj University. Muralisrinivasan worked in the plastics process industry for 13 years before turning to consultancy. He teaches plastics processing seminars and is also a Board of Studies Expert Member of Colleges in India dealing with curriculum of technology subjects. He has authored Update on Troubleshooting to Thermoforming, The Basics of Troubleshooting in Plastics Processing, and several other books on polymers.