Claudio Cavallo is a Sr. Research Scientist in Thermoplastic Rubber Business at Versalis Research Centre located in Ravenna, Italy. He has over twenty-seven years of experience in synthesis of styrene, isoprene and butadiene based thermoplastic block copolymers. He has been studying the relationship of polymer structure and properties in hot-melt adhesives, bitumen modification and compound applications. . He was graduated from Bologna University in Chemistry in 1987.