June 2016, PhD hooding (Aleksandar, Marcel, Marc, Ning)
September 2015 (Marcel, Aleksandar, Marc, Uri, Qurat-Ul-Ann)
 
October 2009 (Karl, Zhen, Amit, Yuehui, Aleksandar, Zuo, Ionut, Yong, Aaron, Ao-Jan)
 
October 2007 (Gergely, Ionut, Aleksandar, Amit, Karl, Ao-Jan)
 
February 2007 (Ao-Jan, Karl, Aleksandar, Amit)
 
February 2007 (Amit, Aleksandar)