Juejun (JJ) Hu received his B.S. from Tsinghua University, China, in 2004, and his Ph.D. from Massachusetts Institute of Technology, USA, in 2009, both in materials science and engineering. He is currently an Associate Professor at MIT’s Department of Materials Science and Engineering. His primary research interest is the field of integrated optics and photonics. Prior to joining MIT, he was an Assistant Professor at the University of Delaware, USA from 2010 to 2014.