CV
Education
- Ph.D. in Computer Science, University of Maryland, College Park, 2023 – 2027
- Dean’s Fellowship recipient. Advisor: Professor Hal Daumé III.
- Dissertation focus: Safety, Robustness and Trustworthiness in AI Systems.
- M.S. in Computer Science, University of Southern California, Los Angeles, 2018 – 2021
- Concentration: Data Science.
- B.S. in Applied Mathematics & Public Health, University of California, Irvine, 2013
Publications
Selected work is listed on my publications page; see my Google Scholar for the full list.
Research Experience
- Doctoral Student & Research Assistant, University of Maryland, College Park, 2023 – 2027
- AI Oversight and Governance: Design oversight methods to detect and mitigate misaligned or deceptive behaviors in deployed AI systems.
- LLM Safety & Alignment: Develop data-efficient, self-correcting LLM frameworks using preference optimization to improve robustness in content moderation.
- Bias in AI Systems: Mitigate social and systemic biases in LLMs for employment, education, and healthcare applications using causal inference.
- Causal Fairness: Develop counterfactual fairness methods with respect to protected attributes, enhancing transparency in AI decision-making.
- Explainable AI: Leverage causal inference and in-context learning to reduce stereotypes in generative explanations from large language models.
- CBAI Research Fellow, Cambridge Boston Alignment Initiative, Boston, Winter 2026
- Mentor: Professor Dylan Hadfield-Menell (MIT).
- AI Technical Governance: Developing a Model Spec Sheet as a blueprint to map components of the training pipeline to downstream behaviors.
- MATS 9.0 & 9.1 Fellow, Berkeley, Spring 2026
- Mentor: Dr. Noam Kolt.
- AI + Legal Alignment: Develop audit methods to evaluate, predict, and orient LLM and AI tools to legal requirements.
- Researcher, Information Sciences Institute, Marina del Rey, 2019 – 2023
- Cryptocurrency Fraud Detection: Developed deep CNN & RNN models achieving <6% error margin in detecting pump-and-dump frauds using social and financial data.
- Content Moderation: Created crowdsourced annotation frameworks and improved anti-Asian hate speech detection by 8% F1-score using BERT & RoBERTa models.
- Meta-Learning for NLP: Designed Prototypical-MAML classifiers achieving >70% accuracy in cross-dataset offensive speech detection with only 100 labels.
- Data Scientist & Team Lead, Children’s Data Network, Los Angeles, 2017 – 2023
- Predictive Modeling for Social Good: Led development of Random Forest & XGBoost models to optimize California’s child welfare system, ensuring model transparency through SHAP and LIME interpretability tools.
- Large-Scale Data Mining: Analyzed historical administrative databases to build predictive classifiers for child abuse prevention, directly informing state and federal policy.
- Healthcare Analytics: Conducted mental health analyses using ICD-9/10 codings to improve Medicaid-insured children’s services.
Industry Experience
- Research Intern, AI Applied Science, Oracle, New York City, NY, 2026
- Designed a novel QUR evaluation framework for RAG artifacts to categorize risk profiles for downstream performance, leading to insights for optimization and system selection.
- Adapted QUR to agentic RAG systems to augment reliable contextual engineering.
- GenAI Research Intern, Oracle Cloud Infrastructure (OCI), Burlington, MA, 2025
- Built an iterative alignment framework for conversational medical assistants using preference optimization methods.
- Improved harmful query detection by up to 42% in harmful query detection on the CARES-18K benchmark across multiple LLMs.
- Graduate Intern, Capital One, McLean, VA, 2024
- Implemented alignment techniques (SFT, preference optimization, KTO) to strengthen LLM safety guardrails against adversarial attacks.
- Deployed LLM prototypes (Llama 2/3, Mixtral), reducing inference latency by 75%.
- Manager-nominated Leadership Award for initiating impactful research collaborations.
- Data Programmer, Edwards LifeSciences, Irvine, CA, 2015 – 2017
- Maintained ORACLE-based clinical database systems for FDA-compliant clinical trials.
- Created machine learning models to automate health record analysis and reporting.
Honors & Awards
- MATS 9.0 & 9.1 Scholar – Acceptance rate below 7%, 2026
- Outstanding Reviewer Award – IJCNLP-AACL 2025
- Best Paper Award – ML4H Symposium, 2025
- Outstanding Paper Award – AAAI PDLM Workshop, 2025
- Leadership Award – Capital One (Manager-nominated), 2024
- Dean’s Fellowship – University of Maryland, College Park, 2023 – 2027
- Finalist – Data Science for Social Good Fellowship, Carnegie Mellon University, 2021
- Awardee – UCSD Summer Training Academy for Research Success, 2021
- Head of Programs – USC Graduate and Rising in Information and Data Science, 2020
- Finalist – Center for Knowledge-Powered and Interdisciplinary Data Science, 2019
- 2nd Place – USC–Boeing Inaugural Data Hackathon, 2018
Technical Skills
- Programming: Python, SQL, SAS, JavaScript, MATLAB
- ML/AI Frameworks: PyTorch, TensorFlow, Keras, Hugging Face Transformers
- LLM Techniques: Fine-tuning (SFT, DPO, GRPO, KTO), Alignment, RLHF, vLLM serving
- ML Methods: Deep Learning (CNN, LSTM, RNN, GAN), Causal Inference, Meta-Learning
- Data & Analytics: Spark, AWS, Kubernetes, Git, Tableau, Statistical Analysis
- Specialized: SHAP/LIME Interpretability, Crowdsourcing (AMT), Clinical Data Systems
Teaching Experience
- Research Assistant, Personalization of LLM-generated content, 2025 – 2026
- Teaching Assistant, CMSC 839E: Uncertainty Communication for Decision-making, Fall 2024
- Teaching Assistant, CMSC 116: You, Me and Generative AI, Spring 2024
- Teaching Assistant, CMSC 320: Introduction to Data Science, Fall 2023
Service
Committee
- Junior Chair, Bias and Fairness Area, ML4H Symposium, 2025
Reviewing
- Reviewer – NeurIPS, ICLR
- ACL Rolling Review (ARR) – ACL, EMNLP, AACL
- Trustworthy NLP Workshop
- ACM Transactions on Intelligent Systems and Technology
- Journal of Medical Internet Research
- Machine Learning 4 Health (ML4H)
- Expert Systems with Applications
Invited Talks
- HireWatch: Measuring LLM Compliance to US Labor Law, MATS 9.0 Symposium, Winter 2026
- “You gotta be a Doctor Lin”: The Risk of Bias in LLM, UMD INST 414, Spring 2025
- A Tutorial on Trustworthiness and Bias in LLMs, UMD Values-centered AI Institute, Fall 2024
- Summer Education Program for High Schools in STEM, Summer 2023