Prof. Xi Shi received his Ph.D. in Mechanical Engineering from University of Illinois at Urbana Champaign in 2005. Currently, he is the director of Elevator Test Center at Shanghai Jiao Tong University. His research interests span from intelligent elevator technology and interfacial mechanics, to tribology. He has been the PI for tens of research projects sponsored by NSFC, MOST, MOE and international renowned enterprises, and published tens of journal papers. Prof. Xi Shi won the ASME K.L.Johnson Best Paper award in 2007.