How many investments has Aphelion Capital made?

Aphelion Capital has 29 tracked investments, 4 of which have exited, including 1 dated in the last 24 months.

What stage does Aphelion Capital invest at?

Aphelion Capital invests at the Seed, Series A, Series B, Late Stage stages.

What sectors does Aphelion Capital focus on?

Aphelion Capital focuses on Digital Health, Healthtech, Medical Devices.

Who does Aphelion Capital co-invest with?

Aphelion Capital most often shares deals with California Technology Ventures, Medvest Capital, Corewell Health Ventures, among 44 tracked co-investors.

Aphelion Capital

Venture capital

Seed–Late Stage · 11 people tracked

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Find your way into Aphelion Capital

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

Deneen Vojtaunlockedknows Lisa Suennen · together at Canary Medical Inc. (overlapped)

knows the team · via Regis McKenna, Inc.

knows the team · via Surgiquest

knows the team · via Ingres

knows the team · via Manatt, Phelps & Phillips, LLP

knows the team · via American Heart Association

✨ Fox Verdict

Investment thesis

Aphelion Capital invests in early and mid-stage medical device and digital health companies whose products and services are capital efficient and improve patient outcomes while keeping costs the same or lower for the healthcare system. The firm looks for passionate leaders committed to solving current healthcare problems and leverages a network of strategic relationships to give portfolio companies the resources and support they need to succeed within the healthcare ecosystem.

Invests inDigital Health Healthtech Medical Devices

Source: firm website, verified Aug 3, 2026.

Stage

Seed–Late Stage

Instruments

Equity

Founded

2006

Tracked investments

IPOs

Acquisitions

Team · 11 people

from the firm's website & public directories

Chris Baker, MD· Clinical Partner

John Kim, MD· Managing Director

Ned Scheetz· Managing Partner· Denver, Coloradoin

Ned Scheetz is Founder and Managing Partner of Aphelion Capital, a venture capital firm focused on healthcare investments. Previously, he was a partner and managing director at Piper Jaffray Ventures investing in emerging medical technology companies, and prior to that served as Senior Research Analyst covering healthcare and technology at Janus Funds. Scheetz holds a CFA designation and degrees from Colby College, Duke University's Fuqua School of Business, and was a postgraduate scholar at Oxford University.

John Kim· Managing Director· San Francisco, Californiain

John Kim, MD completed his Internal Medicine residency at Stanford University Medical Center after earning an undergraduate degree in biochemistry from Harvard University and MD/MBA degrees from Duke University's School of Medicine and Fuqua School of Business, where he concentrated on health sector management. He previously worked as a medical consultant in biogenetics and as an Equity Research Associate at Bear Stearns & Company. He continues to practice part-time as a hospitalist.

Jake Martellaro· Principal

Bob Mellen· Venture Partner· Massachusettsin

Bob Mellen is a Venture Partner at Aphelion Capital and serves as a Director at NeurOptics and CoLabs Medical. He brings 40 years of medical device industry experience, including 15 years in marketing and general management, 10 years leading corporate strategy and business development at C.R. Bard, and 11 years in venture capital. As President of a $200 million device business, he delivered double-digit growth and generated over $800 million in revenue through business development initiatives.

Robert Thomas· Venture Partner

Jacob Martellaro (Jake)· Venture Partner· Californiain

Lisa Suennen· Venture Partner· Mill Valley, California, United Statesin 𝕏

Lisa Suennen has over 35 years of experience across healthcare and technology as a venture capitalist, entrepreneur, operating executive, and consultant. She has held GP roles at Manatt Ventures, Psilos Group, and GE Ventures, co-founded and led CSweetener, and teaches healthcare innovation and investment at UC Berkeley's Haas School of Business.

Katie Belt· Executive Assistant· Phoenix, Arizona, United Statesin

Katie Belt is an Executive Assistant at Aphelion Capital, where she supports senior leadership with scheduling, travel coordination, meeting management, and administrative operations. Her responsibilities include deal flow coordination, relationship management, and handling of sensitive information, with prior experience in healthcare and venture capital settings. She holds a Bachelor of Arts in Business Administration (Management) from the University of Washington.

Shifali Singh, PhD· Clinical Associate

What they invest in

from 24 of 29 portfolio companies

Medical Devices ×23Healthtech ×21Digital Health ×9Hardware ×7Biotech ×4Deep Tech ×4IoT ×2AI & Machine Learning ×1

HQs:United States×19

Who they back

founder profiles across 13 portfolio companies

92%

solo founders

12 of 13 mapped founding teams

Founding team size:solo founder×124+ founders×1

Investments · 29 tracked

founders shown can be your intro path

By year:2025 · 1 2024 · 1 2021 · 1 2020 · 2 2018 · 1 2017 · 1 2014 · 1 2012 · 1 2011 · 1 2009 · 111 dated

SeaStar Medicalseastarmedical.com in 𝕏NASDAQ: ICUJul 2020

SeaStar Medical develops the Selective Cytopheretic Device (SCD), a therapy that targets highly activated neutrophils and monocytes to neutralize the hyperinflammatory immune response in critically ill ICU patients facing conditions such as infection, trauma, or surgery.

BiotechHealthtechMedical DevicesDenver, US

H David Humes(Director)Eric Schlorff(Executive Officer, Director)inPeter DeComo(Director)Mark Morsfield(Executive Officer)inR James Danehy(Executive Officer, Director)Jen Baird, NACD.DC in

Co-investorsCapital Midwest Fund Early Stage Partners, LP WMU Biosciences Research & Commercialization Center

Resteraresterasleep.com✓ verified

Restera develops neurostimulation and sleep therapy medical devices, bringing over 75 years of combined expertise in these areas with 100+ FDA approvals.

Deep TechHardwareHealthtechMedical Devices

Rick O'Connor(CEO)

Co-investorsSupermoon Capital Forepont Capital Partners Dns Capital GreatPoint Ventures

Airlift Sleepairliftsleep.com in

Airlift offers a minimally invasive surgical procedure for treating sleep apnea and snoring by lifting and securing the hyoid bone to support the airway, performed in outpatient settings.

Medical Devices

Bardybardydx.com inApr 2019Acquired

BardyDx develops the Carnation Ambulatory Monitor (CAM), a lightweight cardiac patch monitor designed for extended-wear ambulatory ECG monitoring that emphasizes P-wave signal clarity.

Digital HealthHealthtechMedical DevicesSeattle, US

Gust H. Bardy(Executive Officer, Director, Promoter)Mark Querry(Executive Officer)Kevin Nelson, III(Executive Officer)Rik Vandevenne(Director)Alan Levy(Director)Mark Handfelt(Executive Officer, Promoter)

Co-investorsAPERTURE Venture Partners Ascension Ventures Lumira Ventures RC Capital Rex Health Ventures SV Health Investors +1 more

Biolinqbiolinq.com in

Biolinq develops the Shine sensor, a needle-free glucose monitor that measures glucose along with physical activity and sleep in a single wearable device.

BiotechDigital HealthHardwareHealthtechMedical DevicesSan Diego, US

Jared Tangney(Founder)inRich Yang(Executive Officer, Director)inEdward Kliphuis(Director)

Board Daniel Bradbury(Director)in Lana Ghanem(Director)

Co-investorsAble Partners Alpha Wave Global Averin Capital Beyond Capital BioBrit BOLD Longevity +6 more

Clearflowclearflow.com in 𝕏Series C · Feb 2012 · $5M

ClearFlow develops PleuraFlow Active Clearance Technology, a device that maintains chest drain patency after cardiac surgery to reduce Retained Blood Syndrome complications, along with products for sternal fixation and reconstruction following sternotomy.

HardwareHealthtechMedical DevicesIrvine, US

Edward M. Boyle(Director)in Paul Molloy(Executive Officer, Director)in Hannah Beathard(Executive Officer)in

Board Alexander Suh(Director)in Ned Scheetz(Director)inAndrew D. Firlik(Director)

Co-investorsCalifornia Technology Ventures Oregon Venture Fund

CoLabscolabsmedical.com inOct 2018

CoLabs Medical is developing The Ventor, an emergency airway and ventilation system intended to improve airway management and ventilation during cardiac arrest.

HardwareHealthtechMedical DevicesMorgan Hill, US

Clay Nolan(Executive Officer, Director)inRobert Crockett(Executive Officer, Director)Chris Baker(Director)Bob Mellen(Director)inMichael D. Laufer(Director)

Co-investorsHealthtech Capital Seraph Group

Elucidelucid.com in 𝕏

Elucid develops artificial intelligence technology that analyzes CT images to identify hidden features of cardiovascular risk and guide personalized treatment of coronary artery disease.

AI & Machine LearningHealthtechMedical Devices

Co-investorsAngel Physicians Fund BlueStone Venture Partners IAG Capital Partners

ExplORer Surgicalexplorersurgical.com inSeries A · Aug 2017 · $3Macquired by Global Healthcare Exchange (GHX)

Chicago, US

Jennifer Fried(Executive Officer, Director)Eugene Fine(Executive Officer)in

Board Ned Scheetz(Director)inImmanuel Thangaraj(Director)Kris Johnson(Director)Denis Harrington(Director)in

Co-investorsSymphony Alpha Ventures

Freespirafreespira.com in 𝕏

Freespira develops an FDA-indicated medical device combined with clinical support for treating PTSD and panic disorder symptoms at home over 28 days.

Digital HealthHealthtechMedical DevicesMental Health

Co-investorsLightspeed Venture Partners Medvest Capital

Koya Medicalkoyamedical.com inDec 2020

Koya Medical develops wearable compression therapy devices, including its Dayspring system, for treating conditions such as lymphedema, chronic venous insufficiency, and deep vein thrombosis.

HardwareHealthtechMedical DevicesOakland, US

Anand Doraiswamy(Executive Officer, Director)in

BoardJosh Baltzell(Director)in Jan Garfinkle(Director)in

Co-investorsArboretum Ventures Scientific Health Development Zühlke Ventures Cadence Healthcare Ventures OrbiMed

Laplace Interventionallaplaceint.com inSeries C · Mar 2025 · $22M

Laplace Interventional develops a transcatheter tricuspid valve replacement system that delivers a prosthetic valve percutaneously, avoiding open-heart surgery for patients with tricuspid regurgitation.

HealthtechMedical DevicesPlymouth, US

Ramji Iyer(Executive Officer, Director)in

BoardJenny H. Barba(Director)Todd Mortier(Director)Colin Morrison(Director)

Co-investorsFeatures Capital Holdings gener8tor ShangBay Capital LLC Aphelion Cardeation Engage Venture Partners Unorthodox Ventures

Mercator MedSystemsmercatormed.com

Mercator MedSystems develops catheter-based Micro-Infusion technologies, including the Bullfrog Micro-Infusion Device, for the local delivery of pharmacologic and biologic agents to the peripheral vasculature.

BiotechHealthtechMedical DevicesSan Leandro, US

Kirk P. Seward(Co-founder, President and CEO)inTrent Reutiman(Executive Officer, Director)Stephen Baker(Executive Officer)Charles Crocker(Director)Doug Wall(Director)

Board Ned Scheetz(Director)in

Co-investorsMedvest Capital

Motivecymedicaortho.com

Motive Health (formerly CyMedica Orthopedics) offers an at-home muscle strengthening therapy for knee pain relief, sold directly online to consumers without a prescription.

Digital HealthDirect to ConsumerMedical Devices

Co-investorsCalifornia Technology Ventures

Moving Analyticsmovinganalytics.com in 𝕏Seed · Apr 2021 · $20M

Movn Health is a healthcare company focused on improving access to cardiovascular care, working to improve health outcomes, care coordination, patient engagement, and retention.

Digital HealthHealthtechLos Angeles, US

Harshvardhan Vathsangam(Executive Officer, Director)Ade Adesanya(Co-Founder, President)inGaurav Sukhatme(Co-Founder)inHarsh Vathsangam, PhD(Co-Founder, CEO)inShuo Qiao(Co-Founder, Chief Technology & Compliance Officer)in

Board Bob Saunders(Director)in

Co-investorsFoothill Ventures Solve Ventures SteelSky Ventures Citi Ventures Nueterra Capital OCA Ventures +3 more

Nectero Medicalnecteromedical.com in

Nectero Therapeutics develops therapeutic devices for vascular medicine, working with key opinion leaders in the field.

BiotechHealthtechMedical DevicesDover, US

Jack Springer(President & CEO)inBruce Roberts(Director)in

Co-investorsCorewell Health Ventures BioStar Capital Norwest Venture Partners

Neuropticsneuroptics.com in 𝕏

NeurOptics develops pupillometry technologies for clinical decision-making in critical care, neurology, neurosurgery, and emergency medicine.

Deep TechHealthtechMedical DevicesIrvine, US

Kamran Siminou(Executive Officer, Director)William Worthen(Executive Officer, Director)inWillam Worthen(Executive Officer, Director)Joseph Kiani(Director)

Board Bob Mellen(Director)in

Orpyxorpyx.com in 𝕏

Orpyx develops a wearable system with smart footbeds, a receiver, and hub that provides real-time plantar pressure monitoring and alerts to help individuals with impaired protective sensation prevent foot ulcers and complications.

HealthtechIoTMedical Devices

Breanne Everett MD MBA(Founder)in

Co-investorsNext Ventures Relentless Pursuit Partners Thin Air Labs InterGen Capital

Orthalignorthalign.com inSeries A · Jan 2009 · $7M

OrthAlign develops medical device technology for precise alignment during hip and knee replacement surgery, serving orthopedic surgeons in the surgical technology space.

HealthtechMedical DevicesAliso Viejo, US

Jamy Gannoe(Co-founder)inEric Timko(President and CEO)inDavid S. Smith(Executive Officer)William E. Maya(Executive Officer, Director)Christopher Martin(Director)D. Ronald Yagoda(Director)

Co-investorsCalifornia Technology Ventures Mutual Capital Partners RC Capital

Phagenesisphagenesis.com in 𝕏

Phagenesis develops targeted pharyngeal electrical stimulation technology to treat neurogenic dysphagia by restoring neural pathways for safe swallowing.

Deep TechDigital HealthHealthtechMedical Devices

Co-investorsInnvotec Ltd.Northern Gritstone EQT Life Sciences Sectoral Asset Management

Providencemtprovidencemt.com

Providence Medical Technology develops surgical instrumentation and implants for posterior cervical fusion procedures, targeting the cervical spine market for high-risk patients.

HardwareMedical Devices

Co-investorsMedvest Capital

Spencer Health Solutionsspencerhealthsolutions.com in 𝕏

Spencer Health Solutions develops a medication management platform featuring a smart home dispenser that tracks adherence and collects real-world health data for patients and healthcare providers.

Digital HealthHardwareHealthtechIoTMedical DevicesMorrisville, US

Tom RhoadsThomas P. Rhoads, Jr.(Executive Officer, Director)Paul Cunningham(Executive Officer)in

BoardChristopher Martin(Director)Gregg Goldenberg(Director)Mark Gilreath(Director)

Co-investorsCalifornia Technology Ventures

Surgiquestsurgiquest.com inSeries C · Jul 2011 · $19MAcquired

SurgiQuest develops access technology for minimally invasive surgery, including the AirSeal insufflation and access system.

Milford, US

Kourosh Azarbarzin(Executive Officer, Director)

BoardDavid Collier(Director)Ned Scheetz(Director)in J. Carter McNabb(Director)inPeter Wiest(Director)Joseph DeVivo(Director)

Co-investorsCalifornia Technology Ventures RC Capital

Venova Medicalvenovamedical.com inAug 2024

Venova Medical develops the Velocity percutaneous arteriovenous fistula system, a minimally invasive medical device designed to create vascular access for hemodialysis patients more efficiently than traditional surgical methods.

HealthtechMedical DevicesLos Gatos, US

Erik van der Burg(Executive Officer, Director)in

BoardMichael Wallace(Director)inDarshana Zaveri(Director)inShant Vartanian(Director)in

Co-investorsShangBay Capital LLC Cadence Healthcare Ventures Catalyst Health Ventures

Wesperwesper.co

Wesper offers an at-home sleep management system combining FDA-cleared home sleep apnea testing devices with logistics services such as dropship, remote patient monitoring, interpretation, and titration for sleep clinics and providers.

Digital HealthHealthtechMedical DevicesNew York, US

Amir Reuveny(Executive Officer)

Board Santo Politi(Director)in

Co-investorsAbstract Ventures Krillion Ventures Breyer Capital Correlation Ventures Spark Capital Valor Equity Partners

Zeto Inczeto-inc.com in 𝕏

Zeto develops improved electroencephalography technology for diagnosing epilepsy and other neurological conditions.

Cloud ComputingDeep TechDigital HealthHealthtechMedical DevicesSan Francisco, US

Aswin Gunasekar(Founder and CEO)in

Co-investorsIaso Ventures

Other

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

Invicta MedicalProvidence Medical TechnologyVyncahealth

Exits · 4

1 IPOs · 3 acquisitions · showing 2

SeaStar MedicalNASDAQ: ICUExplORer Surgicalacq. by Global Healthcare Exchange (GHX)

Portfolio news

latest coverage across their companies

Elucid Raises $55 Million in Oversubscribed Series D Financing | Elucid

Elucid Bioimaging · elucid.com · Sep 2, 2026

Frequently asked questions

How many investments has Aphelion Capital made?: Aphelion Capital has 29 tracked investments, 4 of which have exited, including 1 dated in the last 24 months.
What stage does Aphelion Capital invest at?: Aphelion Capital invests at the Seed, Series A, Series B, Late Stage stages.
What sectors does Aphelion Capital focus on?: Aphelion Capital focuses on Digital Health, Healthtech, Medical Devices.
Who does Aphelion Capital co-invest with?: Aphelion Capital most often shares deals with California Technology Ventures, Medvest Capital, Corewell Health Ventures, among 44 tracked co-investors.

Media · Podcasts & interviews

featuring the team

Investor Connect 878: John Kim of Aphelion Capital on Cardiovascular & Brain Health Investing in ...

Hall Martin · John Kim

Images

Co-investors · 6

Norwest Venture Partners

Norwest Venture Partners is an investment firm whose growth equity team backs private, profitable, fast-growing companies, providing capital and hands-on support through its 'invited guest' approach.

Both backed · 1

Nectero Medical

$10M – $30M

OCA Ventures

OCA Ventures is a venture capital firm that partners with founders from seed stage onward, providing capital along with strategic advice and introductions across sectors including biotech, healthcare, and technology.

Both backed · 1

Moving Analytics

$1M – $3M

FirstMark Capital

FirstMark Capital is a venture capital firm that backs founders and accelerates them through a platform providing access to networks, customers, and top talent.

$500K – $8M

Fifth Wall

Fifth Wall is an investment firm focused on technology for the built environment (PropTech), backing startups that make the spaces where people live, work, and play smarter, safer, and more energy efficient.

$250K – $100M

Flare Capital Partners

Flare Capital Partners is a healthcare technology-focused venture firm that partners with founders building companies to improve outcomes, lower costs, and reshape healthcare delivery.

$1M – $10M

Okapi Venture Capital

Okapi Venture Capital is a seed and early-stage venture capital firm focused on information technology and life science investments, which closed its first fund in May 2006.

$750K – $3M

Firms observed investing alongside Aphelion Capital, from public investor directories. Shared companies are the overlap with Aphelion Capital's recorded portfolio.

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