He holds a Ph.D. degree in Electrical and Computer Engineering from the Johns Hopkins University and a B.Eng. degree in Electronic Engineering from Tsinghua University. At KITT.AI, he developed the wake word detection engine Snowboy, which now serves more than 27,000 developers. Prior to joining KITT.AI, he spent 5 years at the Center for Language and Speech Processing, Johns Hopkins University, where he worked on various aspects of speech recognition and regularly contributed code to the open source speech recognition toolkit Kaldi, and the open source deep learning toolkit CNTK. He also spent two summers at Google Inc. where he developed the prototype of Android's wake word detection engine for "Okay Google".