Menlo Park · Seed–Late Stage · 24 people tracked
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.
Team · 24 people
from the firm's website & curated & public directoriesWhat they invest in
from 5 of 6 portfolio companiesHealthtech ×4Medical Devices ×3Biotech ×2Hardware ×2Deep Tech ×1Digital Health ×1
HQs:United States×5
Investments · 6 tracked
founders shown can be your intro pathBy year:2021 · 22020 · 22019 · 15 dated
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
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 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
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 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 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 companiesFrequently 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 teamInvestor Connect - Episode 149 - Duke Rohlen of Ajax Health
Hall Martin · Duke Rohlen
Images
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