Muthupandian Ashokkumar is professor at the School of Chemistry, University of Melbourne, Australia. He is a physical chemist who specializes in sonochemistry. He has developed a number of novel techniques to characterize acoustic cavitation bubbles and has made major contributions of applied sonochemistry to the food and dairy industry. Prof. Ashokkumar’s recent research involves the ultrasonic synthesis of functional nano- and biomaterials, including protein microspheres that can be used in diagnostic and therapeutic medicine. He is a Fellow of the Royal Australian Chemical Institute and recipient of the Grimwade Prize in Industrial Chemistry.