Zexin Cai
Senior Applied Scientist at Oracle
Baltimore, Maryland, United States
Summary
👤
Senior🎓
Top SchoolZexin Cai is a Senior Applied Scientist with 11 years of experience bridging academic research and industry in speech and audio AI, currently based in Baltimore and recently joined Oracle after a postdoc at Johns Hopkins. He holds a PhD in Electrical and Computer Engineering from Duke, where his work on text-to-speech, voice conversion, and audio deepfake detection led to publications at ICASSP and Interspeech and an Applied Scientist internship at Microsoft. Zexin’s background includes commercial ASR engineering and research roles in China and the U.S., giving him practical product experience alongside deep algorithmic expertise. He’s skilled at moving models from prototype to production, with a particular knack for adversarial and forensic audio problems that aren’t obvious from job titles alone. Colleagues describe him as research-driven but product-minded, able to translate novel ideas into deployable systems.
11 years of coding experience
7 years of employment as a software developer
Doctor of Philosophy - PhD, ECE, Doctor of Philosophy - PhD, ECE at Duke UniversityBachelor of Engineering - BE, Computer Software Engineering, Bachelor of Engineering - BE, Computer Software Engineering at Sun Yat-sen University
Chinese, Chinese, English
Github Skills (32)
speech10
speaker-verification9
clif9
feature-extraction9
python9
machine-learning9
openfst9
speech-to-text9
gpu9
location9
wrapper9
cuda9
shell8
deep-learning8
kaldi8
Programming languages (3)
Github contributions (5)
caizexin/caizexin.github.io
Dec 2019 - Sep 2023
Contributions:86 pushes, 1 branch in 3 years 9 months
caizexin/tf_multispeakerTTS_fc
Oct 2020 - Oct 2020
the Tensorflow version of multi-speaker TTS training with feedback constraint
Contributions:16 commits, 2 PRs, 14 pushes in 8 days
speakerconstrainttrainingmulti-speaker-ttsfeedback
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