Fundraising Fox

Proteus

Long Island City, US · Founded 2016 · 6 known investors

Find your way into Proteus

162 people in our graph share verified history with the Proteus team — schools, employers, funds. One of them is your warm intro.

Steve Abbottunlockedknows Geoffrey T Bernstein · together at Jefferies (overlapped)
×9knows the team · via Jefferies
×2knows the team · via Beth Israel Deaconess Medical Center

Proteus Motion offers a patented assessment and 3D resistance training platform that measures full-body power, strength, and speed and generates personalized training and rehabilitation recommendations. It targets movement health and athletic performance applications.

HardwareHealthtechSports Tech

Founders & leadership

Proteus was founded in 2016 by Samuel A. Miller.

SA
Samuel A. MillerFounder
GBGeoffrey Bernstein
Geoffrey Bernsteinin𝕏ExecutiveGeneral Partner at Indicator Ventures
LFLisa Frankovitch
Lisa FrankovitchinExecutive

Board

BB
Benjamin BiscontiBoard director
DF
Dan FettersBoard directorManaging Partner, Co-CIO at Acies Investments
PB
Paul ByrneBoard director
LM
Larry MillerBoard director

Investors · 6

Acies InvestmentsManhattan Beach
Lauder PartnersLos Altosvia Gary Lauder · inferred
Liebenthal VenturesOld Westbury · $25K – $500K
Monozukuri VenturesKyoto · $100K – $300K
Harris Blitzer Sports & EntertainmentreportedCamden
HBSE Venturesreported · 2 sourcesNew York

Reported raises · per SEC filings

Form D private placements

$17.6M disclosed across 6 of 7 rounds · 2016–2025

▶$7.7MraisedOct 2025 · 29 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Benjamin BiscontiDirector
  • Paul ByrneDirector
  • Dan FettersDirector
  • Samuel A. MillerExecutive Officer, Director, Promoter
  • Geoffrey BernsteinExecutive Officer
  • Lisa FrankovitchExecutive Officer, Director
Offering amount
$8.5M
Amount sold
$7.7M
First sale
Sep 2025
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.5MraisedMay 2023 · 16 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey BernsteinExecutive Officer, Director
  • Emma MillerDirector
  • Samuel A. MillerExecutive Officer, Director, Promoter
  • Paul ByrneDirector
  • Dan FettersDirector
Offering amount
$3M
Amount sold
$1.5M
First sale
May 2023
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2.6MraisedApr 2022 · 16 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Samuel A. MillerExecutive Officer, Director, Promoter
  • Emma MillerDirector
  • Geoffrey BernsteinExecutive Officer, Director
Amount sold
$2.6M
First sale
Jan 2022
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$4MraisedMar 2020 · 34 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Samuel A. MillerExecutive Officer, Director, Promoter
  • Geoffrey BernsteinExecutive Officer, Director
  • Emma MillerDirector
Offering amount
$4M
Amount sold
$4M
First sale
Mar 2020
Incorporated
Corporation, Delaware, 2016
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$2MofferedNov 2018 · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Geoffrey BernsteinExecutive Officer, Director
  • Emma MillerDirector
  • Samuel A. MillerExecutive Officer, Director, Promoter
Offering amount
$2M
Incorporated
Corporation, Delaware, 2016
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$1.1MraisedJul 2018 · 17 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Emma MillerDirector
  • Samuel A. MillerExecutive Officer, Director, Promoter
  • Geoffrey BernsteinExecutive Officer, Director
Offering amount
$2M
Amount sold
$1.1M
First sale
May 2017
Incorporated
Corporation, Delaware, 2016
Federal exemptions
06b
Full filing on SEC EDGAR ↗
▶$600KraisedJul 2016 · 7 investors · Other
Rule 506(b)
Officers, directors & promoters on the filing
  • Samuel A. MillerExecutive Officer, Director, Promoter
  • Larry MillerDirector
Offering amount
$600K
Amount sold
$600K
First sale
May 2016
Incorporated
Corporation, Delaware
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

In the news

SBJ Power Up: Proteus gets new leader and fundssportsbusinessjournal.com · Oct 2025Proteus adds new CEO, new investment as it looks to scalesportsbusinessjournal.com · Oct 2025Backed by athlete investors, Proteus Motion scoops $8.5M for 3D resistance training machine — TFNtechfundingnews.com · Jul 2022Proteus Motion Raises $8.5 Million in Series A Funding With Blake Griffin Joining Roundsportsbusinessjournal.com · Jul 2022Proteus Motion Raises $8.5M in Series A Fundingfinsmes.com · Jul 2022Intelligent fitness company Proteus Motion raises $3.8M - VatorNewsvator.tv · Dec 2019

Frequently asked questions

What does Proteus do?
Proteus Motion offers a patented assessment and 3D resistance training platform that measures full-body power, strength, and speed and generates personalized training and rehabilitation recommendations. It targets movement health and athletic performance applications.
Who founded Proteus?
Proteus was founded by Samuel A. Miller in 2016.
Who are Proteus's investors?
Proteus's investors include Acies Investments, Lauder Partners, Liebenthal Ventures, Monozukuri Ventures, Harris Blitzer Sports & Entertainment, HBSE Ventures.
How much funding has Proteus raised?
Proteus has disclosed $17.6M raised across 6 of its 7 known rounds.
Where is Proteus headquartered?
Proteus is headquartered in Long Island City, US.