Kehui Sun obtained his Bachelor's degree (Applied Physics）from Central South University of Technology in 1991. And he received his Master's (Automation) and PhD degree (Control Theory and Control Engineering) from Central South University in 1998 and 2005 respectively. In 2008, he worked at the University of Wisconsin as a visiting scholar. In 2009, he finished his postdoctoral research work from South China University of Technology. He joined the Central South University in 1991, and at present he is a professor and dean of School of Physics and Electronics. He is also the vice chair of Hunan Instrument & Control Society. Up to now, he has published more than 100 papers, and his h-index is 25 at Web of Science. He authorized2 books, co-compiled 3 books, and holds 3 Chinese patents. His research interests include chaos modelling and its application, image encryption, chaotic information security.