Dongsheng Liu Professor of ChemistryDepartment of Chemistry,Tsinghua UniversityDongsheng Liu learned polymer sciences in University of Science and Technology of China and graduated with a B.S. degree in 1993. He then worked as a research associate in the Institute of Chemistry, CAS for six years and earned his Master degree on polymer chemistry in 1999. From 1999 to 2002, he finished his Ph.D study on the self-templated DNA circularization in the Hong Kong Polytechnic University under the supervision of Professor Albert S. C. Chan. In 2003, he joined the Chemistry Department of Cambridge University as a postdoc research associate, worked on DNA nanotechnology with Professor Shankar Balasubramanian. In 2005, he joined the National Centre for NanoScience and Technology, China as a principle investigator and in June 2009, he moved to the Department of Chemistry, Tsinghua University as a full professor. He was awarded the 1st “CCS-RSC Young Chemist Award” in 2008 and was invited as FRSC in 2011, the 7th CCS-BASF Youth Innovation Prize in2014. His research mainly focuses on DNA molecular machines and DNA based smart materials.