Marwa El Halabi, from Jan. until Apr. 2017, EPFL, Lausanne, Switzerland
Jonathan Weed, from Mar. 2017 until May 2017, MIT, US
Alfredo Zermini, from Mar 2017 until June 2017, University of Surrey, UK
Billy Tang, visited from Sept. 2017 until Dec. 2017, University of Edimburgh, UK