Ralf Winterberg – Dr.-Ing. (MSc PhD Civil Engineering)Ralf Winterberg is specialised in fibre reinforcement for concrete and its application development. He studied Civil Engineering at the University of Bochum, Germany, and received his Ph.D. on the cracking behaviour of steel fibre reinforced concrete there in 1998. After two employments as Technical Director in German companies he started his own Engineering Company for the development of fibre reinforced concrete solutions and applications in 2004. Since 2005 he has been working also as a consultant to the Fibre Division of Officine Maccaferri S.p.A., headquartered in Italy, supporting their worldwide subsidiaries in the technical market development of the Fibre Division. In February 2010 he joined Maccaferri Asia Headquarters in Malaysia, as Business Development Manager and Technical Director of the Fibre Division Asia/Oceania.In July 2014 he joined BarChip Inc. (formerly EPC) as Group Chief Engineer to develop new fibre products, widen application fields and coordinate R&D and technical developments and their respective implementation within the BarChip Group world wide.Ralf co-authored the Guide to good Practice “Steel Fibre Reinforced Concrete“ by the German Concrete Association and contributed to RILEM TC162-TDF “Test and Design Methods for SFRC" as well as to CEN TC104 WG11 “Fibres for Concrete” for the harmonised European Standard EN 14889. He was chairing the Fibres’ Technical Committee of EFNARC and is member of ITA–AITES WG12 “Shotcrete use” and ITA-Tech AG "Support".Ralf is the current president of the Macro Synthetic Fibre Association (MSFA).He has published numerous papers and articles on the performance of fibre reinforced concrete with a focus on structural and durability improvements and on the fire resistance of concrete. He further shared his knowledge and experience in many seminars in various countries.