Dr Jun Ren is an associated professor in Yunnan University. He received his Ph.D. in Civil Engineering from University College London in 2016. Prior to his PhD study, he had studied at Loughborough University and graduated with a M.Sc. with distinction in Polymer Technology. His main research interests are chemical admixture for cement and concrete, and alkali-activated cementitious materials, self-healing cementitious materials, and utilisation of solid waste.