Ya Cheng is professor and dean of the School of Physics and Electronic Science, East China Normal University, and professor at the Shanghai Institute of Optics and Fine Mechanics (SIOM), Chinese Academy of Sciences. He obtained his BS from Fudan University, Shanghai, in 1993 and PhD from the SIOM in 1998. He developed slit-beam and spatiotemporal shaping techniques of femtosecond laser pulses for improving the spatial resolution in 3D micromachining, as well as photolithography-assisted chemomechanical etching for fabricating dense PICs on LN. Prof. Cheng has co-authored more than 200 peer-reviewed articles and co-authored/co-edited 5 books. He has given ~150 invited talks at international conferences and served as the chair or committee member of numerous international conferences. He is also a fellow of the Institute of Physics, UK.