Hongyuan MEI
Co-Founder @ Stealth AI Startup
About
My research interests are rooted in designing machine learning models and algorithms to solve challenging real-world problems. My current focus is modelling sequential data, which is essential in time-stamped event prediction and natural language understanding. My research webpage is: https://www.hongyuanmei.com/
United States
San Francisco Bay Area
Research
Machine Learning, Artificial Neural Networks, Natural Language Understanding, Matlab, Python, C++, Mathematical Modeling, Monte Carlo Simulation, VBA, Bloomberg, Microsoft Excel, Option Pricing Models, Java, SPSS, SQL
Experience
Co-Founder
Stealth AI Startup
Building AGI.
Member of Technical Staff
xAI
Palo Alto, California, United States
Tech lead in Reasoning Org, focusing on AI4Science and AI Agents. Key contributor to Grok reasoning models (e.g., Grok 4, Grok 4 Heavy, Grok 4.1 Fast). Shipped Grok in Tesla.
Senior Research Scientist
Google DeepMind
Mountain View, California, United States
Making Google Gemini smarter.
Research Assistant Professor
Toyota Technological Institute at Chicago (TTIC)
Chicago, Illinois, United States
Research Intern
Bloomberg
New York, New York, United States
Research Intern
Microsoft
Redmond, WA
Develop methodologies to map natural language instructions to executable programs.
Research Intern
Toyota Technological Institute at Chicago (TTIC)
Enabled robots to follow free-form natural language navigational instructions in unknown environment, with alignment-based long short-term memory recurrent neural network (LSTM-RNN). Solved selective generation problem with an alignment-based LSTM-RNN. Developed a coarse-to-fine, multi-input neural aligner to identify the small subset of salient records within an over-determined set. Developed a ranking algorithm to improve accuracy for vision-based vehicle localization.
Research Assistant
The University of Chicago Booth School of Business
Greater Chicago Area
Designed and implemented efficient algorithms to process high frequency trading data into the best-suited formats for given research projects.
Research Assistant
Huazhong University of Science and Technology
No.1037 Luoyu Road, Wuhan, Hubei, China
Implemented models for research in wireless cooperative networks, primarily in game-theoretic approaches for optimal resource allocation. Developed a Flow Tracker to monitor data transmission within a certain network.
Education
The Johns Hopkins University
Computer Science
I am a Ph.D. student in Department of Computer Science at Johns Hopkins University, affiliated with the Center for Language and Speech Processing. My research interests are rooted in designing models and algorithms to solve challenging problems in the field of natural language processing.
University of Chicago
Financial Mathematics
Huazhong University of Science and Technology
Electrical, Electronics and Communications Engineering
Advanced Class for Elite Range (ACER). Bachelors in Eletrical Engineering with Finance minor.
University of Chicago
Computer Science and Statistics
Hongyuan MEI's Contact Information
Phone
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