Chris Xu is the IBM Professor of Engineering, and Professor in Applied and Engineering Physics, Cornell University, the Mong Family Foundation Director of Cornell Neurotech – Engineering, the director of Cornell NeuroNex Hub, an NSF funded center for developing neurotechnology, and Director of the School of Applied and Engineering Physics. His current research areas are fiber optics and biomedical imaging, with major thrusts in multiphoton microscopy for deep brain imaging, multiphoton microendoscopy for clinical applications, and fiber-based devices and systems for telecommunications and optical imaging. His research is supported by major grants from NIH, NSF, DARPA, and IARPA. Prior to Cornell, he was a Member of Technical Staff at Bell Laboratories. His main research focus at Bell Labs was on nonlinear imaging of semiconductor devices, fiber optics, and optical communications, including broadband access and ultralong haul transmission.