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Proteus Motion

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Building a new category of intelligent fitness and rehab technology to maximize human performance

New York City, United StatesFounded 2016Health Tech & Medtech
Valuation $25–50M Last recorded · 2025
Revenue $1–10M Latest reported FY
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Proteus Motion and the history behind them.

About Proteus Motion

Proteus Motion Inc. is a technology company operating in the fitness and rehabilitation sectors, founded in 2011 by Sam Miller. Miller's background as an athletic trainer and his personal experience with the limitations of traditional strength training equipment fueled the company's direction. He identified a gap in the market for a system that could adequately measure strength and power across all directions of movement, which existing free weights and cable machines failed to address effectively. This observation led to the development of the company's core product, the Proteus system.

The Proteus system is a hardware and software solution designed for professional sports teams, physical therapy clinics, and high-end fitness facilities. At its core is a piece of equipment featuring an electromagnetic resistance mechanism that provides consistent resistance throughout a three-dimensional range of motion. This patented technology, referred to as 3D Resistance™, allows for the measurement of athletic performance with data comparable to an MRI's diagnostic capabilities, but for movement. The system captures performance data, providing insights into power, acceleration, and endurance for any movement pattern. This data is then analyzed by the accompanying software, offering trainers and clinicians objective metrics to personalize training programs, monitor progress, and guide rehabilitation protocols. A key feature is the "power report," a comprehensive assessment that benchmarks an individual's strength and power against a database of peers, helping to identify muscular imbalances and weaknesses that could lead to injury.

The company's business model centers on the sale of this high-performance equipment. In 2021, Proteus Motion reported a significant milestone, securing $8.5 million in a Series A funding round. This capital infusion was earmarked for expanding manufacturing capabilities and scaling the company's commercial operations. The funding round attracted notable investors from the sports world, including current and former professional athletes, which serves as a strong endorsement of the product's application and potential within its target market.

Source: Dealroom company data

At a glance

Status
Operational
Founded
2016
Headquarters
New York City, United States
Employees
22
Open positions
None listed
Dealroom signal
60.8/100
Industry
Health, Sports
Sub-industry
Medical Devices
Sector
Health Tech & Medtech, Rehabilitation, Tech for Patients, Hard Tech, DT and LS, science-based
Technology
3D Technology, Deep Tech
Business model
SaaS
Client focus
b2c

Funding history

7 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
EARLY VCOther financing Oct 2025 $2.8M $43M Acies Investments · Sandy Ogg · 412 Venture Fund · HBSE Ventures ↗
SERIES AOther financing Jul 2022 $8.5M $34M Blake Griffin Enterprises · Matthew Dellavedova · 412 Venture Fund · HBSE Ventures ↗
Showing the latest 2 of 7 recorded eventsBook a demo for the full funding history →

Financials

Revenue over time

Revenue, earnings and other financial measures where available. Years marked “E” are estimates.

YearRevenueGrowth
2026
2025
2024
2023
2022
2021
2020 —
Company filings, research estimates and Dealroom dataBook a demo for the full financial model →

Growth signals

Proteus Motion website traffic

Latest recorded traffic for Proteus Motion is 12K monthly website visits, up 9.1% over the last three months. Proteus Motion's team declined 8.3% over the past year.

Latest monthly visits12K 3-month web change+9.1% 1-year team growth-8.3%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

16 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Seed1 investor entered at this stage

  • HBSE Ventures

Series A10 investors entered at this stage

  • Harris Blitzer Sports & Entertainment
  • Hospital for Special Surgery
  • Acies Investments
  • Blake Griffin Enterprises
  • Matthew Dellavedova
  • 412 Venture Fund
  • Monozukuri Ventures
  • Harrison Co.
  • Jon Lester
  • Sandy Ogg

Other known investors5 additional known investors

  • David Stern
  • Dick Boyce
  • Geoffrey Bernstein
  • Liebenthal Ventures
  • Sahil Bloom
Team profiled 7 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
🇺🇸 United States · New York City HQ
Book a demo for the full country breakdown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Proteus Motion on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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