# Ray Z.

> ML/AI @ Arkisys

Location: San Francisco Bay Area, United States
Profile: https://flows.cv/rayz

Building AI systems for space at Arkisys. Multi-agent architectures, knowledge graphs, LLM pipelines. Previously USC SERC and UCSD. I make language models do useful things and specialize in turning research prototypes into production systems

## Work Experience
### Software Engineer @ Arkisys
Jan 2026 – Present
Space systems operations automation and AI technologies auditing systems architecting.

### Machine Learning Engineer @ USC Information Sciences Institute
Jan 2024 – Present | United States
Research at the nexus of in-space operations & logistics, threat modelling, and large language models.

### Data Science Intern @ UC San Diego
Jan 2021 – Jan 2023
•	Developed ML testing pipelines leveraging Databricks and MLFlow hosted on AWS, executing experiments with supervised time-series prediction with ensemble models in sklearn 
•	Refined and tested audio-spatial mapping algorithms utilizing unsupervised CNN models in Pytorch
•	Engineered a robust data ingestion and preprocessing pipeline for audio HDF5 datasets to streamline experimental workflows and enhance training efficiency

### UAV-SUAS @ University of California, Riverside
Jan 2019 – Jan 2020
Served on a sub-team building a computer vision framework that works in conjunction with a mounted camera system on an unmanned aerial vehicle that is capable of accurately identifying shapes and numbers from high altitudes. Used Python, OpenCV, SciKit, and Numpy to implement a key point locator utilizing Gaussian kernels. Additionally implemented a YOLO object tracking and detection framework using recurrent neural networks and scripted a rudimentary database with SQL in conjunction with ArcGIS to manage classification and geolocation data.

### Deputy Chief Music Director @ Tri-City Band Corps
Jan 2016 – Jan 2019 | Fremont, CA
- Manages music library
- Runs rehearsals
- Leads parades


## Education
### Master of Science - MS in Applied Data Science
University of Southern California

### Bachelor of Science - BS in Data Science
Halıcıoğlu Data Science Institute, UC San Diego

### Bachelor of Science - BS in Computer Science
University of California, Riverside

### Irvington High School


## Contact & Social
- LinkedIn: https://linkedin.com/in/rdszhao

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Source: https://flows.cv/rayz
JSON Resume: https://flows.cv/rayz/resume.json
Last updated: 2026-04-11