# William L.

> coding, running, and baking bread

Location: San Francisco, California, United States
Profile: https://flows.cv/williaml1

I'm a Cognitive Scientist and Computer Scientist. I generally enjoy working on problems in Human-AI Interaction, Compilers, Parallel Systems, and High-Performance Computing.

## Work Experience
### Engineer @ Exa
Jan 2026 – Present | San Francisco, California, United States
Vector Databasing

### Co-Founder/CEO @ Stealth AI Startup
Jan 2024 – Jan 2025 | San Francisco, California, United States
- Conducted 350+ customer interviews, and secured 6 LOIs and paid pilots across 3 venture concepts
- Built biotech robots to automate science, a health benefits navigation payment system, and a generative world model for training humanoid robots in better simulation

### Member @ South Park Commons
Jan 2025 – Jan 2025 | San Francisco, California, United States
Exploring startup ideas from -1 to 0

### Menlo Fellow @ Menlo Ventures
Jan 2024 – Jan 2025 | San Francisco, California, United States
Exploring startup ideas

### Founder in Residence @ Entrepreneurs First
Jan 2024 – Jan 2024 | San Francisco, California, United States
Part of a curated community of exceptional future founders, working to build globally impactful companies together.

Entrepreneur First is the world’s leading talent investor, backed by top founders including Patrick and John Collison, Reid Hoffman, Tom Blomfield, Sara Clemens, Nat Friedman, and Matt Mullenweg. EF brings together people with extraordinary futures to develop their most ambitious ideas and raise money from top global investors.

### Machine Learning Engineer II @ Amazon
Jan 2022 – Jan 2024 | Palo Alto, California, United States
- Accelerated model iteration velocity as Tech Lead for ML experimentation platform across US, JP, DE, CA
- Built and optimized high-throughput data pipelines supporting TBs of daily user data
- Deployed and monitored production search and ranking models to drive sales

### Founder Fellow @ On Deck
Jan 2024 – Jan 2024 | San Francisco, California, United States

### Founding Engineer @ CoPilot
Jan 2021 – Jan 2022 | Remote
- Sole owner over the design, development, and maintenance of the entire backend system for 10k users

### Researcher @ The University of Texas at Austin
Jan 2022 – Jan 2022 | Remote
Research Areas: Human-Computer Interaction, Conversational NLP, and Multimodal ML

### Software Engineer @ SambaNova Systems
Jan 2020 – Jan 2021 | Palo Alto, California, United States
- Led a small team to improve training speed of multiple 2D/3D computer vision models by more than 10x through the design of a new optimizing compiler
- Drove the design process of the new hardware-optimized convolution operator

### Teaching Assistant for 15-418/618 Parallel Computer Architecture and Programming @ Carnegie Mellon University School of Computer Science
Jan 2020 – Jan 2020 | Pittsburgh, Pennsylvania, United States
- 15-418 “provides a deep understanding of the fundamental principles and engineering trade-offs involved in designing modern parallel computing systems as well as teaches parallel programming techniques necessary to effectively utilize these machines.”
- Designed homework and exam questions, mentored and graded term projects, held office hours, and answered questions on Piazza

### Teaching Assistant for 15-110 Principles of Computing @ Carnegie Mellon University School of Computer Science
Jan 2017 – Jan 2019 | Pittsburgh, Pennsylvania, United States
- 15-110 is a fast-paced and broad introduction to the field of computer science that introduces basic CS theory and programming techniques.
- Lectured recitation sessions, graded homework and exams, and held office hours

### Head Teaching Assistant for 85-310 Research Methods in Cognitive Science @ Carnegie Mellon University Psychology Department
Jan 2020 – Jan 2020 | Pittsburgh, Pennsylvania, United States
- 85-310 teaches students how to conduct independent research in cognitive science by designing, running, and evaluating a novel research project and writing up a report.
- Graded research reports, designed quizzes and exams, provided supplemental lectures on special topics, and held office hours

### Research Assistant @ Computer Architecture Lab at Carnegie Mellon
Jan 2016 – Jan 2020 | Pittsburgh, Pennsylvania, United States
Research Areas: Operating Systems and Virtual Memory Architecture

### Software Engineering Intern @ NVIDIA
Jan 2019 – Jan 2019 | Santa Clara, California, United States
- Improved ML model inference latency and memory usage 2x through in-compiler weight compression

### Software Engineering Intern @ Uber Advanced Technologies Group
Jan 2018 – Jan 2018 | Pittsburgh, Pennsylvania, United States
- Surveyed, designed, and implemented multiple latency reduction algorithms in the autonomous vehicle distributed operating system’s message-passing protocol

### Research Intern @ Human-Computer Interaction Institute - Carnegie Mellon University - School of Computer Science
Jan 2017 – Jan 2017 | Pittsburgh, Pennsylvania, United States
Research Areas: Rapport Modeling and Human-AI Interaction

### Lab Technician @ McArdle Laboratory for Cancer Research
Jan 2015 – Jan 2015 | Madison, Wisconsin, United States


## Education
### Bachelor of Science - BS in Cognitive Science, Minor in Computer Science
Carnegie Mellon University

### Graduate Coursework in Computer Science
The University of Texas at Austin

### High School Dual Enrollment in Applied Mathematics, Engineering, and Physics (AMEP)
University of Wisconsin-Madison

### High School Diploma
West High School


## Contact & Social
- LinkedIn: https://linkedin.com/in/liuwilliam47
- Portfolio: https://williamliu.me/

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Source: https://flows.cv/williaml1
JSON Resume: https://flows.cv/williaml1/resume.json
Last updated: 2026-04-10