# Impairment Science, Inc.

> Impairment Science, Inc. is a Cambridge, Massachusetts neuroscience company behind DRUID, a smartphone app that measures cognitive and motor impairment from any cause - cannabis, alcohol, fatigue, medication, or illness - in about one to three minutes. Conceived in 2016 by longtime UMass Boston psychology professor Dr. Michael Milburn and incorporated in 2018, DRUID scores a person's reaction time, decision-making, hand-eye coordination, and balance against their own sober baseline. It is the only impairment technology with three published, peer-reviewed studies validating its accuracy, including research led by Johns Hopkins School of Medicine faculty. The company now sells DRUID Enterprise, a cloud portal that lets employers in construction, mining, EMS, and other safety-critical industries run fitness-for-duty checks without a breathalyzer or urine sample.

- **Founded:** 2018
- **Headquarters:** Cambridge, Massachusetts, United States
- **Founders:** Dr. Michael Milburn (Founder & Chief Science Officer)
- **Team size:** ~16 employees
- **Products:** DRUID App, DRUID Enterprise, Integrations
- **Notable:** Only impairment technology with three published, peer-reviewed studies validating its accuracy, Johns Hopkins-led study found DRUID the most sensitive impairment measure among many tested and the only one able to distinguish different THC doses, 10,000+ downloads within weeks of the 2018 launch following a Wired Magazine feature

## Products & services

- **DRUID App** — A smartphone app (iOS and Android) that measures cognitive and motor impairment through tasks assessing reaction time, decision-making, hand-eye coordination, and balance, producing an impairment score (roughly 25-75). Offers a 1-minute Rapid test and a 3-minute Benchmark test, calibrated to blood-alcohol impairment standards.
- **DRUID Enterprise** — A cloud-based management portal and database that integrates with the DRUID app to provide real-time monitoring, analysis, and reporting of impairment scores across a workforce for fitness-for-duty and safety programs.
- **Integrations** — Connections to third-party systems so organizations can embed DRUID impairment scoring into existing safety and HR workflows.

## Achievements

- Only impairment technology with three published, peer-reviewed studies validating its accuracy
- Johns Hopkins-led study found DRUID the most sensitive impairment measure among many tested and the only one able to distinguish different THC doses
- 10,000+ downloads within weeks of the 2018 launch following a Wired Magazine feature
- Awarded an NIH SBIR grant for validation research
- Calibrated to blood-alcohol impairment standards

## Latest updates

- **2024-03** — Featured in a Massachusetts AI & Technology Center project using DRUID to assess and enhance senior adults' driving performance.
- **2022-07** — Latest reported funding round (~$1.29M) closed.
- **2020-01** — Company renamed to Impairment Science, Inc.; Rob Schiller became CEO and pivoted to B2B; launched DRUID Enterprise.

## Links

- Website: https://impairmentscience.com
- LinkedIn: https://www.linkedin.com/company/impairmentscience
- Twitter/X: https://twitter.com/impairmentsci
- YouTube: https://www.youtube.com/@ImpairmentScience
- Facebook: https://facebook.com/druidapp

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Last updated: 2026-08-05