Rohan Ramachandran

Headshot of Rohan Ramachandran

CS undergraduate @ Columbia, working on physical AI and ML systems for decision-making: on-device architectures, safety instrumentation for deployed systems, and graph systems for relational reasoning.

Robots, wearable tech, and drones should reason about their world on a battery.

Current Work

Air Force Research Laboratory [Information and Spectrum Warfare Directorate, summer 2026]

Ultra-efficient, on-device architectures for few-shot autonomous visual reasoning in open-world physical environments.

SpineSync [IEEE 2025, provisional patent]

An IMU-based wearable that quantifies Parkinson's progression from spinal curvature at roughly 1% the cost of radiographic monitoring. Sensing, inference, and clinical signal all on the device itself.

Boundary-Adjacent Benign Evaluation [Columbia Software Systems Lab, in preparation]

A benchmark for auditing LLM safety interventions, part of the lab's work on interpretable interventions and evals for AI alignment and model security. The measurement side of shipping models into the world.

Projects

Nearly 70 million Americans have no local news source. Relay turns two million pages of state legislative documents and ten thousand hours of hearing video into personalized, citation-backed briefings, via a multi-agent pipeline and multimodal RAG.