President @ CS + Social Good

Math, CS & Public Policy @ Stanford

Jacob Rubenstein

Building systems that are technically robust and socially impactful. Exploring how data becomes software, decisions, and real-world systems.

Now

  • Incoming Quantitative Trader @ Citadel Securities (Summer 2026)
  • President @ CS + Social Good
  • CS / AI / NLP Research @ Stanford

Experience

Currently

Stanford
Incoming Quantitative Trader at Citadel Securities building data systems and models that power trading and market making
CS+Social Good
President of CS + Social Good at Stanford empowering students to apply tech to social impact and build community around public interest tech work
Stanford
AI and NLP research at Stanford hybrid pricing retrieval strategies, using optimzation and math to improve RAG efficency and capability

Previously

Recidiviz
Data Engineer Intern at Recidiviz building scalable data pipelines and exploring AI to improve criminal justice data and reform outcomes
Stanford Political Science
Research with Stanford Political Science and Prof. Rob Reich technology, policy, and governance at the intersection of institutions and society
TreeHacks
Executive leadership for TreeHacks 12,000+ applicants, 1,500+ hackers; data-driven marketing and logistics for the world's largest collegiate hackathon
US AI Safety Institute
U.S. AI Safety Institute (NIST) international team intern; evaluation frameworks and policy recommendations for frontier AI
Consumer Reports
AI Fellow at Consumer Reports refining RAG pipelines and observability for AskCR, plus state-level AI policy tracking and analysis
Stanford AI Alignment
Analyst at Stanford AI Alignment model behavior on alignment benchmarks, evaluation protocols, and approaches to risk mitigation
Deliberative Democracy Lab
Data and ML at the Deliberative Democracy Lab workflows and analysis for democratic processes, public sentiment, and deliberative outcomes
Cardinal Policy Group
Policy and data research with Cardinal Policy Group for East Palo Alto reparations, economic development, and evidence based recommendations
Five Keys
Data intern at Five Keys Schools and Programs data systems and logistics to improve educational equity in underserved communities

Projects & Papers

CS Research

ML Clinical Trial Outcome Prediction

Student-teacher framework for spurious correlations; dynamic UnLearning and LLM augmentation.

Math Research

Hausdorff & Gromov-Hausdorff Metrics

Completeness of compact subsets; compactness and isometry under Gromov-Hausdorff distance.

CS Project

PathSense — Hack The North

AI-powered indoor navigation for visually impaired users; voice + CV. First place, Hack the North 2024.

CS Research

Gesture-based Tonal Rendering

CNN + temporal heuristics for real-time guitar strum detection from gestures.

TreeHacks

TreeHacks 2024 Opening Video

Opening ceremony video for 1,500+ participants.

Math Research

Hermite Polynomials

Properties from differential equations; applications in quantum mechanics.

AI Policy

State AI Legislation Tracker

State-level AI bills tracker for policymakers; referenced in state hearings.

Math Research

Secret Sharing Schemes

Shamir vs Blakley; threshold schemes for secure distribution.

CS Research

Trust & Safety in Generative AI

Observability features for AskCR; transparency in generative AI.

TreeHacks

TreeHacks 2025 Opening Video

Directed and edited opening ceremony for 1,500+ participants.

CS Project

Environmental Health Dashboard

Data viz + ML for environmental sensors; health factors in the Philippines.

Math Research

Series Rearrangement Theory

When reordering terms preserves convergence or yields any limit.

CS Research

Unveiling News Biases

ML on news transcripts; political reporting patterns via TF-IDF and clustering.

CS Research

Partisan Sentiment Online

BERT-based analysis of Reddit; topic correlations across partisan discussions.