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Ajax Health

Venture capitaloperating company · company profile

Menlo Park · Seed–Late Stage · 27 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 Sep 29, 2026.

Stage
Seed–Late Stage
HQ
Menlo Park, California, US
Instruments
Equity
Founded
2017
AUM
$214.5M
Tracked investments
10

Team · 27 people

from the firm's website & curated & public directories
Divesh Kanthylal Makan· Executive Officer
Kevin Foster· Executive Officer

What they invest in

from 9 of 10 portfolio companies

Healthtech ×7Biotech ×4Medical Devices ×4Hardware ×3Digital Health ×2AI & Machine Learning ×1Deep Tech ×1Mental Health ×1

HQs:United States×7France×1India×1

Investments · 10 tracked

founders shown can be your intro path

By year:2022 · 12021 · 22020 · 22019 · 27 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

Jade Doucet-Martineau(Co-founder & CEO, Board Director)inFrançois Trudeau(Co-founder & CTO, Board Director)inPhilippe Généreux(Co-founder (Phase 2), Chief Medical Officer & Board Observer)inMaxime Rochon(Co-founder (Phase 2) & VP Clinical, Regulatory and Quality)inYves-Antoine Crête(Co-founder (Phase 2) & VP Technical R&D and Operations)inGabriel Georges(Co-founder & Clinical Advisor)in

Co-investorsBroadview VenturesLumira VenturesDesjardins CapitalBoreal VenturesCathexis VenturesFront Row Ventures+3 more

Protaryx Medicalprotaryx.comin𝕏Jun 2020 · $8M

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)inCameron Purcell(CTO)inTerri Burke(Executive Officer, Director)inJames 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

Verix Healthverixhealth.mystrikingly.comOct 2019

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)inSasha Schrode(Executive Officer, Director, Promoter)

BoardAftab Kherani(Director)in

Board seatDuke Rohlen· per SEC Form D

Co-investorsWestern Technology InvestmentAPERTURE Venture Partners

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)inShane 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

Ablaconablacon.comApr 2019 · $21.5M

BiotechWheat Ridge, US

Dr. Philip Haeusser(Founder)inPeter Ruppersberg(Executive Officer, Director)

Co-investorsWestern Technology Investment

AcuityMDinMay 2021

Targeting platform for medical device companies that uncovers new opportunities and tracks existing users.

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)inEric Vishria(Director / Benchmark investor)in

Co-investorsArtisanal VenturesAtreides ManagementICONIQ GrowthRedpoint VenturesStepstone GroupBenchmark

UroMemsuromems.comin

UroMems designs and commercializes active implantable medical devices for urology, using proprietary microelectromechanical systems technology.

BiotechHardwareHealthtechMedical DevicesGrenoble, FR

Pierre Mozer(Co-founder, MD, PhD)inHamid Lamraoui(Co-founder, PhD)inStéphane Lavallée(Co-founder, PhD)in

Co-investorsSupernova InvestBpifranceCITA Investissement

Wysawysa.cominJul 2022 · $20M

Wysa for Teams is a mental health SaaS product that delivers emotional wellbeing support to organizations with 200 employees or less through self-guided exercises, anonymous access to reflection spaces, and resources based on cognitive behavioral approaches.

AI & Machine LearningDigital HealthHealthtechMental HealthSaaSWellness & Fitness

Jo Aggarwal(Founder)inRamakant Vempati(Founder)inHarsh Guptain

Co-investorsChange VenturesHealthQuadKae CapitalW Health Ventures Gp LlcBritish International Investmentpi Ventures

Other

Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.

AtriomxAdvanced Cardiac Therapeutics

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
UroMems Raises $60M in Funding

UroMems · finsmes.com · May 14, 2026

Frequently asked questions

How many investments has Ajax Health made?
Ajax Health has 10 tracked investments.
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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