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August

Abhinav Mir (August)

CTO + Cofounder at Ambra

Ambra is an intelligent and autonomous RCM platform built exclusively for EMS, we specialize in denials management and clean claims submission. By automating the revenue cycle from scrubbing to submission, Ambra helps agencies recover more of what they've earned, and quicker (cut AR days down to 3 days), and as a bonus, comes paired with a voice-first scribe that cuts PCR time down to under 3 minutes and auto-submits claims for you on the same day. If you'd want to try this out for your agency, please email us at founders@ambra911.com

I'm based in San Francisco / San Jose (and a fan of the Warriors 🌉 + Sharks 🦈)

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Research

Security, privacy, and formal methods in healthcare systems.

EmberDB - FHIR-native time-series storage for critical care. A specialized database treating FHIR Observations as first-class citizens, benchmarked against InfluxDB, TimescaleDB, and QuestDB on MIMIC-III data.
Healthcare Voice Agent Security - Evaluating AI voice platforms deployed in healthcare settings, covering prompt injection, PHI extraction, and synthetic voice attacks with a novel FHIR-compliant testing framework.
Privacy-Preserving Healthcare Cost Prediction - Custom secure multiparty computation protocol enabling joint model training across hospitals, insurers, and public health agencies without exposing raw data.
zkDNA - Zero-knowledge proofs for negative STR DNA match verification, allowing proof of non-match in forensic contexts without revealing actual genetic data.
Formal Verification of FHIR Resources - Applying lightweight formal methods (Alloy) to verify structural integrity and safety invariants of HL7 FHIR data models.

Published: Nature-Inspired Swarm Optimization in ANNs (IEEE)

Full research details →

Interested in collaborating? Email me at sabhinav at bu dot edu.

Writing

Latest from august.mataroa.blog.

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Education

Other projects

WalkReminder - A lightweight macOS menu-bar app that nudges you to step away from your desk and walk on a schedule you set. Click to download the .dmg and drag it to Applications.
Libreprose - A distraction-free writing environment built for long-form work — drafting, outlining, and revising book-length manuscripts.
Vinyl - Generate looping spinning-vinyl videos from any audio file, in your browser — drop a track in, get a shareable MP4 out.
HAR → cURL - Paste a browser HAR archive, get clean, reproducible cURL commands for every request — useful for debugging, reverse-engineering, and sharing repros.
asm.garden - A LeetCode-style playground for x86-64 assembly: small problems, in-browser assembler, instant feedback. A gentler on-ramp to low-level programming. · archived
Thoughtforest - AI-assisted note-taking that treats notes as a linked graph, surfacing connections between ideas as you write. · archived
Strudel - Spin up and tear down ephemeral Ethereum testnets for teams, so a whole engineering org can share forks and state without stepping on each other. · archived
Elcair - Point at an Ethereum contract ABI, get a typed TypeScript SDK — no hand-rolled wrappers, no drift between contract and client. · archived
profs.fyi - Search university faculty by research interest and recent publications — find the right advisor, reviewer, or collaborator without trawling department pages. · archived