levineuwirth.org/content/about.md

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---
title: Levi Neuwirth — Vita
tags: meta
---
For a less formal, more detailed introduction to who I am, see [[Me]].
## Documents
These are probably what you're looking for. A summary of the key points follows below!
- **[Curriculum Vitae (PDF)](/cv.pdf)**
- **[Resume (PDF)](/resume.pdf)**
## Education
- **Technical University of Denmark (DTU)** — MSc in Computer Science and Engineering. September 2026 expected 2028. Expecting PhD studies after.
- **Brown University** — Sc.B. in Computer Science and Mathematics. August 2022 May 2026
- **DIS Copenhagen / Københavns Universitet** — Semester abroad. Fall 2024
## Research
### Published / In Submission
- **Shu L, Neuwirth L†, Wang X†, Zheng H†.** *Beyond Comorbidity Indices: An Order-Invariant ICD-10-CM Embedding for Readmission and Mortality Prediction.* Under review at *JAMA Network Open*, 2026. [Preprint](/essays/beyond-comorbidity-indices/) · [Calculator](https://levineuwirth.github.io/icd_embeddings/) · [Code](https://github.com/levineuwirth/icd_embeddings)
- **Neuwirth L.** *Where Does SIMD Help Post-Quantum Cryptography? A Micro-Architectural Study of ML-KEM on x86 AVX2.* Technical report, Brown University Department of Computer Science, April 2026. [Report](/essays/where-does-simd-help-post-quantum-cryptography/) · [Artifact](https://git.levineuwirth.org/neuwirth/where-simd-helps)
### In Preparation / In Progress
- **[NeuroPose](/essays/neuropose/) clinical-implications manuscript.** In preparation; target submission 20262027.
- **SIMD / PQC Phase 2 & Phase 3.** Hardware performance counters (PAPI), RAPL energy, and cross-ISA ports (ARM NEON/SVE, RISC-V V).
- **Semantic-embeddings citation project.** Early-stage work with [NeuroAI](https://neuroai.health), preprint expected summer 2026.
- **Magic: The Gathering reinforcement learning project.** Early-stage work through Brown's HPC, expected late 2026.
### Presentations
- **Early Detection of Neurological Disorders through Video-Captured Kinematic Analysis.** Ma J, Arms S, Kaneira L, Lall M, Chen K, Cabral W, Man D, Neuwirth L, Shu L. Poster, Brown / Rhode Island Hospital Neurology Summer UTRA Symposium, August 2025.
- **"Order-Invariant ICD-10-CM Embedding for Readmission and Mortality Prediction: Toward Multimodal Generative Patient Models"**Shu L, Neuwirth L†, Wang X†, Zheng H†. IEEE/ACM Conference on Connected Health: Applications, Systems and Engineering Technologies (CHASE), August 2026, in review.
†Equal-contribution undergraduate authors.
## Experience
See [resume (PDF)](/resume.pdf).
- **xAI** Summer 2025, remote. Contributed to training of `grok-code-fast-1`. Integrated LLMs into autonomous agent frameworks spanning 20 tools across thousands of production workflows and codebases; diagnosed and resolved 50+ agentic failures, improving tool-execution rates by >15%, reducing fatal tool-usage errors by >40%, and reducing API usage by >20%. Contributed to safety systems, reducing hallucination rates by >50% in controlled agent-behavior tests.
- **NeuroAI** Present. [neuroai.health](https://neuroai.health). Early-stage venture of academics and clinicians integrating deep learning, reinforcement learning, and generative AI into clinical and research workflows; leading research-engineering across model development, deployment infrastructure, and system design.
- **Shu Laboratory, Brown Department of Neurology** — *Undergraduate Researcher and Technical Lead.* October 2023 Present. Technical lead on [NeuroPose](/essays/neuropose/); co-lead developer on the [ICD-10-CM embedding model](/essays/beyond-comorbidity-indices/).
- **Independent Research Contracting** — *Anthropic, Mistral, OpenAI.* 2025 Present Expert reasoning contributions in code and mathematics for agentic workflows, agentic task design and evaluation, AI safety, and red-teaming.
## Projects
For a complete index of engineering artifacts — kernels, networking, cryptography, deployed ML — see [/cv/projects/](/cv/projects/).
## Contact
[ln@levineuwirth.org](mailto:ln@levineuwirth.org) · [ORCID 0009-0002-0162-3587](https://orcid.org/0009-0002-0162-3587) · [GitHub](https://github.com/levineuwirth) · [Forgejo](https://git.levineuwirth.org/neuwirth)