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Ajax Health

Venture capitaloperating company · company profile

Menlo Park · Seed–Late Stage · 24 people tracked

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Investment thesis

Ajax Health focuses on investing for growth in the healthcare sector, partnering with experienced industry leaders to build and scale high-quality healthcare businesses on a global basis.

Source: firm website, verified Aug 25, 2026.

Stage
Seed–Late Stage
HQ
Menlo Park, California, US
Instruments
Equity
Founded
2017
AUM
$214.5M
Tracked investments
6

Team · 24 people

from the firm's website & curated & public directories
Katy Wu· Office Administratorin

Office Administrator at Ajax; holds a BA in Romance languages from the University of Missouri.

What they invest in

from 5 of 6 portfolio companies

Healthtech ×4Medical Devices ×3Biotech ×2Hardware ×2Deep Tech ×1Digital Health ×1

HQs:United States×5

Investments · 6 tracked

founders shown can be your intro path

By year:2021 · 22020 · 22019 · 15 dated

Puzzle Medicalpuzzlemed.comin✓ verified

Puzzle Medical develops a heart failure treatment device designed to improve heart and kidney function through 4Fr axillary access, allowing patient ambulation and providing up to seven days of support.

HardwareHealthtechMedical DevicesMontreal

FRANCOIS TRUDEAU(Executive Officer, Director)JADE DOUCET-MARTINEAU(Executive Officer, Director)Jade Doucet-Martineau(Co-founder & CEO, Board Director)François Trudeau(Co-founder & CTO, Board Director)Philippe Généreux(Co-founder (Phase 2), Chief Medical Officer & Board Observer)Maxime Rochon(Co-founder (Phase 2) & VP Clinical, Regulatory and Quality)

Co-investorsBroadview VenturesLumira VenturesDesjardins CapitalBoreal VenturesCathexis VenturesFront Row Ventures+1 more

AtriomxJan 2021SEC filingmedium confidence

Menlo Park, US

Rush Pope(Executive Officer)Mike Carter(Executive Officer)

BoardShane Kreidel(Executive Officer)inDuke Rohlen(Executive Officer, Director)inAftab Kherani(Director)in

Board seatDoug Koo· per SEC Form D · $1M raise · filed Feb 2021

Protaryx Medicalprotaryx.comin𝕏Jun 2020SEC filingmedium confidence

Protaryx is a medical device company developing cardiac technology, led by a team including a cardiac surgeon and executives with device-industry backgrounds.

BiotechHardwareHealthtechMedical DevicesBaltimore, US

David Mester(CEO)Cameron Purcell(CTO)David Mester, MBAinTerri Burke(Executive Officer, Director)James Gammie(Board Member; Cardiac Surgeon-in-Chief, Johns Hopkins Health System)

BoardAftab Kherani(CMO, AJAX Health; Board Member)in

Board seatDuke Rohlen· per SEC Form D · $8.1M raise · filed Jun 2020

Verix HealthOct 2019SEC filingmedium confidence

BiotechPhiladelphia, US

Doug Koo(Mr. Koo is the Chief Financial Officer of the Issuer.)inMichael Dishowitz(Mr. Dishowitz is the Secretary and Treasurer of the Issuer.)Tony Natale(Director)Sasha Schrode(Executive Officer, Director, Promoter)

BoardAftab Kherani(Director)in

Board seatDuke Rohlen· per SEC Form D · $8M raise · filed Oct 2019

XII Medicalxiimedical.cominDec 2020SEC filingmedium confidence

XII Medical develops neuromodulation therapies for treating obstructive sleep apnea, focusing on simplifying treatment options and improving patient outcomes.

Deep TechDigital HealthHealthtechMedical DevicesUnion City, US

Garrett Schwab(Chief Executive Officer)Shane Kreidel(Secretary and Chief Financial Officer)inZachary Eisen(Director)

BoardJD Friedland(Director)Saoussen Ben Halima(Director)

Board seatDuke Rohlen· per SEC Form D · $15.1M raise · filed Apr 2022

Co-investorsAPERTURE Venture PartnersBroadview VenturesCincyTechIntuitive VenturesJobsOhio VenturesOmega Funds

AcuityMD, Inc.inMay 2021

AcuityMD is a vertical AI and commercial-intelligence platform that helps medical-device companies size markets, prioritize physicians and facilities, manage territories and pipelines, forecast demand, and accelerate product adoption.

HealthtechBoston, US

Michael Monovoukas(CEO and Co-Founder)inRobert Coe(CTO and Co-Founder)Lee Smith(Co-Founder and VP of Customer Experience)

BoardLogan Bartlett(Director / Redpoint investor)Eric Vishria(Director / Benchmark investor)

Co-investorsArtisanal VenturesAtreides ManagementICONIQ GrowthRedpoint VenturesStepstone GroupBenchmark

Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.

Portfolio news

latest coverage across their companies

Frequently asked questions

What stage does Ajax Health invest at?
Ajax Health invests at the Seed, Series A, Series B, Series C, Late Stage stages.
What sectors does Ajax Health focus on?
Ajax Health focuses on Biotech, Digital Health, Healthtech, Medical Devices.
Where is Ajax Health located?
Ajax Health is headquartered in Menlo Park, US.
Who does Ajax Health co-invest with?
Ajax Health most often shares deals with Artisanal Ventures, Atreides Management, ICONIQ Growth, among 5 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Investor Connect - Episode 149 - Duke Rohlen of Ajax Health

Hall Martin · Duke Rohlen

Images

Ajax Health photoAjax Health photo

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