Per Jahren: MD Civil Engineering Norwegian Technical University, Trondheim, Norway, 1965. Stanford Executive Program, USA 1976 Wide experience from the building industry in general and in particular the cement and concrete industry for 50 years. Past Chairman and Honorary member Norwegian Concrete Society. Various awards amongst others the CANMET/ACI award for his work with silica fume in concrete in 1966. More than 150 technical papers from 30 countries world wide. Professor Agder University, Grimstad, Norway Books: Concrete History, (Norwegian and English) 2011. Concrete, Manyfold and possibilities (Norwegian) 2012Concrete and Sustainability with co-author Sui Tongbo (English) 2013. Professor SUI TongboDirector General of Sinoma Research InstituteVice President of China Sinoma International Engineering Co.Ltd.2010.6- now, Director General of Sinoma Research Institute and vice president of Sinoma International Engineering Co. Ltd;1991.4-2010.5 from research engineer, director of research institute, and to vice president of China Building Materials Academy;More than 20 years experience in research and development of low energy and low CO2 cements and resultant high performance concrete with over 60 papers and publications; Three years experience working with UNIDO international center for technology promotion;As project leader for over 10 China national key research projects and more than 10 international cooperative projects with partners from Australia, France, Norway, Netherland, Germany and USA etc.;As main organizer of many international symposiums, workshops and seminars in China on cement and concrete and sustainability since 2002, as keynote/invited speaker in many international conferences, workshops on the topic in Germany, Norway, USA, Canada, Australia, Russia, Japan, Korea, India and China;Recipient of various awards including China national expert for excellent achievement in scientific research on cement based materials awarded by the State Council in 2005, the 2nd class national prize for technological invention awarded by the State Council in 2006 for the development and application of low energy and low emission high belite cement, and award for the outstanding contribution to the technology for cement and concrete sustainability by the Organization of International Conferences for the Advances of Concrete Technology for Sustainable Development, ACI Council, 2009.Books as Author or co-author: Special Cements (Chinese) 2006Concrete and Sustainability as co-author with Per Jahren (English) 2013