Fundraising Fox
Third Act Ventures
Venture capitalSan Diego · Seed · 2 people tracked
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Investment thesis
Third Act Ventures invests in health technology and AgeTech companies, backing startups building solutions for older adults and the aging population. The firm focuses on seed-stage investments in the health tech sector, supporting founders addressing pressing challenges in health care and serving the 50+ demographic.
Source: firm website, verified Aug 3, 2026.
Team · 2 people
from the firm's website & public directoriesWhat they invest in
from 27 of 33 portfolio companiesHealthtech ×22Digital Health ×12AI & Machine Learning ×8Wellness & Fitness ×6SaaS ×5Consumer ×4Medical Devices ×4IoT ×3
HQs:United States×20Mexico×1
Who they back
founder profiles across 19 portfolio companiesFounding team size:solo founder×152 founders×13 founders×3
Where their founders studiedfrom 16 founders with education data
UCSF Rosenman Institute ×2
What their founders studiedfrom 18 founders with field-of-study data
Business & Management ×8Computer Science ×4Life Sciences ×4Humanities ×3Engineering ×2Medicine ×2
Where their founders worked beforefrom 16 founders with career history
Duke University ×3Stony Brook University ×2
Accelerator rootsportfolio companies that came through a program
Investments · 33 tracked
founders shown can be your intro pathBy year:2024 · 12023 · 12022 · 12019 · 25 dated
Alertgy develops a non-invasive wristband device for real-time blood glucose monitoring in diabetics using Deep-Gluco sensor technology.
HealthtechIoTMedical DevicesMelbourne, US
Marc Edward Rippen(Executive Officer)
PartnerMax Zamkow· solo GP
Co-investorsMedStartr Ventures
Attn: Grace designs and manufactures plant-based, skin-safe incontinence products for women, manufactured in carbon-neutral facilities.
Circular EconomyConsumerFemTechHealthtech
Alexandra Fennell(Founder)in
PartnerMax Zamkow· solo GP
Co-investors37 AngelsBackbone AngelsFlybridge Capital PartnersHow Women InvestIngeborg InvestmentsJoyance Partners+9 more
Biotia develops infectious disease diagnostics using clinical metagenomic next-generation sequencing paired with artificial intelligence, offering diagnostic tests and genomics software for patients, providers, and health systems managing challenging infections.
AI & Machine LearningBiotechDigital Health
Chris Mason(Founder)inNiamh O'Hara(Founder & CEO)inNiamh B. O'Hara(Founder)in
PartnerMax Zamkow· solo GP
Co-investorsCloquet Capital Partners, LLCConvergent VenturesDigitalDx VenturesEverywhere VenturesMEDA AngelsRed Bear Ventures+11 more
care.coach is a digital health platform that serves elderly individuals and their caregivers through integrated technology, focusing on fall prevention, reducing emergency department visits, and addressing social isolation in Medicare and Medicaid populations.
Digital HealthHealthtechLongevityWellness & Fitness
Victor Wang
PartnerMax Zamkow· solo GP
Co-investorsAARPStartUp HealthCartmell VenturesDaybreak PartnersBuenavista Equity Partners
CareCar connects health plan members with a network of caregivers to improve access to care services.
Digital HealthHealthtechSaaSDenver, US
Mike Matz(Executive Officer)Jennifer Gallinger(Executive Officer)Joshua Itano(Executive Officer, Director)
BoardUriridiakoghene Onovakpuri(Director)Matt Smith(Director)inScott Reid(Director)
PartnerMax Zamkow· solo GP
Co-investorsKapor CapitalKickstartReinventure CapitalService Provider CapitalWestbound Equity PartnersImpact America Fund
Careswitch offers Looper, an AI scheduling tool for home care agencies that handles same-day caregiver call-outs by rebuilding visit routes, ranking replacement caregivers, drafting outreach messages, and escalating uncovered visits.
AI & Machine LearningDigital HealthSaaS
PartnerMax Zamkow· solo GP
Co-investorsAlumni VenturesEntrepreneurs Roundtable Accelerator (ERA)Great Oaks Venture CapitalNat TurnerRemarkable Ventures
Caspar develops a privacy-first Physical AI platform that processes continuous real-world data to help healthcare care teams intervene earlier and deliver proactive care at scale, particularly for vulnerable populations.
AI & Machine LearningDigital HealthHealthtechMedical Devices
PartnerMax Zamkow· solo GP
Co-investorsAtlanticFrog CapitalStanford Angels & EntrepreneursAnanda Impact VenturesAtlantic Labs
Cobu is a community building platform that helps residents of apartment buildings form genuine communities and combat loneliness.
AI & Machine LearningPropTechSocialBoston, US
PartnerMax Zamkow· solo GP
Co-investorsBeni Venture CapitalTechstarsWalnut Venture Associates
PartnerMax Zamkow· solo GP
KARE connects caregivers with senior living communities by providing staffing solutions for the caregiving industry.
B2B MarketplacesHealthtechHR TechGuadalajara, MX
PartnerMax Zamkow· solo GP
PartnerMax Zamkow· solo GP
Gynisus offers an AI-driven payment integrity platform for health insurance payers, automating DRG assignment, NCCI coding edits, clinical validation, medical necessity review, and fraud/waste/abuse detection.
AI & Machine LearningHealthtechInsurTech
PartnerMax Zamkow· solo GP
Co-investorsExpert DOJO
Joe and Bella designs and sells magnetic button-down shirts for men with adaptive features like one-handed fastening and stretch cuffs.
ConsumerDirect to ConsumerE-commerceHealthtechWellness & Fitness
Jimmy Zollo(CEO & Co-Founder)in
PartnerMax Zamkow· solo GP
Co-investorsChicago Early Growth Ventures (CEGV)IrishAngelsIU VenturesSandalphon CapitalScaleGood Fund LP (powered by TELUS)
Kebormed develops medical devices spanning multiple medical fields and conditions, working at the intersection of medicine and technology.
AI & Machine LearningCloud ComputingDigital HealthMedical DevicesCleveland, US
Radu Iancu(Founder & CEO)inWarren Goldenberg(President & COO)inNikolaos Fikas(Chief Security Officer)in
PartnerMax Zamkow· solo GP
Labrador Systems develops robots for everyday assistance, applying sensor, processor, and algorithm technology from augmented reality and self-driving fields to build practical robots that support people in daily life.
ConsumerHardwareHealthtechRoboticsOak Park, US
Mike Dooley(CEO)inNikolai Romanov(Executive Officer, Director)in
BoardCyril Ebersweiler(Director)in
PartnerMax Zamkow· solo GP
Mighty Health provides a comprehensive health program designed to help older adults maintain and improve their daily functioning and independence.
HealthtechWellness & FitnessSan Francisco, US
Felipe Lopes(Founder)inBernard Chang(Founder)inJames Li(Founder)in
PartnerMax Zamkow· solo GP
Co-investorsAlumni VenturesY CombinatorZ Venture CapitalAlpha ProjectsAltaIR CapitalBasecamp Fund+18 more
Morrow provides financial products and services designed to help American workers build long-term financial security and confidence through personalized experiences centered on trust.
FintechHR TechWellness & Fitness
PartnerMax Zamkow· solo GP
Co-investorsFullCircleNysnø Climate Investments
Naborforce connects older adults and their families to a vetted network of community members (Nabors) who provide caregiving support, companionship, and assistance.
B2B MarketplacesFuture of WorkHealthtechWellness & FitnessRichmond, US
Paige Wilson(Founder and CEO)Kelly Johnson(Executive Officer, Director)in
BoardEric Hsia(Director)inTania Grant(Director)in
PartnerMax Zamkow· solo GP
Co-investorsClaritas CapitalTechstarsThe Artemis FundTransLink Capital
Brooklyn, US
Sabrina Varanelli(Executive Officer, Director)
PartnerMax Zamkow· solo GP
Co-investorsNotation CapitalStory VenturesSupernode Ventures
NurseDash operates an on-demand staffing platform that connects clinicians with healthcare facilities to fill shifts.
Digital HealthHealthtechMarketplacesHouston, US
PartnerMax Zamkow· solo GP
Co-investorsAmerican Family Insurance Institute for Corporate and Social Impact
HealthtechDenver, US
Edward Likovich(Executive Officer, Director)inJames Cook(Executive Officer, Director, Promoter)
BoardThomas Virden(Director)Ben Wire(Director)inChris Saxman(Director)inRohit Seth(Director)
PartnerMax Zamkow· solo GP
Co-investorsAllied Venture PartnersCobalt VenturesFemHealth VenturesForefront VentureHealthtech CapitalJoyance Partners+3 more
Ome makes smart knobs that retrofit onto existing stoves to prevent kitchen fires through automatic shut-off, remote monitoring, and cooking timers.
HardwareHealthtechIoTDurham, US
Akshita Iyer(Founder & CEO)in
PartnerMax Zamkow· solo GP
Co-investorsigniteXL VentureTechstarsZane Venture FundLegendary Ventures, Llc.
PartnerMax Zamkow· solo GP
Pear Suite operates a care navigation platform that connects community health workers (CHWs) with community-based organizations and healthcare providers to help underserved populations access health and social services.
Digital HealthHealthtechImpact & Social GoodSaaSWellness & FitnessSeattle, US
Colby Takeda(Founder & CEO)inNick Lockett(Founder)in
PartnerMax Zamkow· solo GP
Co-investors7BC Venture CapitalAtento CapitalEnable VenturesEquitage Ventures, L.L.C.Flare Capital PartnersIncisive Ventures+7 more
Peel Away Labs makes Peelaways, a multi-layer waterproof bed sheet that lets caregivers change bedding by peeling away a soiled layer without stripping the bed.
ConsumerDirect to ConsumerE-commerceHealthtechJersey City, US
MC(Founder & CEO)
Boardmaxwell cohen(Executive Officer, Director)in
PartnerMax Zamkow· solo GP
Co-investorsAEON FoundryAlpine MeridianNew York Venture Partners
Smart Human Dynamics develops Pregnancy Coach, a digital health platform that monitors physiological metrics and recommends behaviors to reduce pregnancy complications for expectant mothers.
Digital HealthFemTechHealthtechMedical DevicesSan Francisco, US
Steve Dugan(Founder)in
PartnerMax Zamkow· solo GP
Roobrik provides science-based online surveys, financial-readiness assessments, and chat tools that help prospective senior living residents and their families evaluate their options while converting more website visitors into qualified leads for senior living providers.
Digital HealthHealthtechMarketing TechSaaSSales TechGreensboro, US
Nate O'Keefe(Founder)inJudith Conaway(Executive Officer)David Levin(Director)inMaureen O'Connor(Director)William Clark(Director)
PartnerMax Zamkow· solo GP
Co-investorsIDEA NCJurassic CapitalThe Launch PlaceHatteras Venture Partners
Tembo Health provides care coordination and management services for seniors, particularly those with chronic conditions and dementia.
Digital HealthHealthtechLongevity
Anurag Gupta(CEO and founder)in
PartnerMax Zamkow· solo GP
Co-investorsAlumni VenturesCity LightEntrepreneurs Roundtable Accelerator (ERA)HDS CapitalHeadwater VenturesHilltop Venture Partners+5 more
Third Eye Health operates a network of board-certified physicians providing virtual post-acute care and after-hours coverage for skilled nursing facilities and patients, using mobile technology and care coordination services.
Digital HealthHealthtechChicago, US
Daniel Herbstman(Executive Officer, Director, Promoter)Jamison Feramisco(Director)Lucas Baran(Executive Officer, Director, Promoter)
BoardMichael Sachs(Director)
PartnerMax Zamkow· solo GP
Co-investorsA1 Health VenturesEquitage Ventures, L.L.C.Generator VenturesSPRINGROCK VENTURESS1 Seed VenturesWavemaker Three-Sixty Health
PartnerMax Zamkow· solo GP
Co-investorsAEON FoundryBoro CapitalK20 FundMEDA AngelsWestchester AngelsDreamit Ventures+1 more
Wesley Chapel, US
David Sawyer(Executive Officer, Director)inRalph Stoddard(Director)Stella Parris(Executive Officer)Margaret Sawyer(Director)
BoardKATIE SCHMITZ(Director)JUSTIN KELLY(Director)
PartnerMax Zamkow· solo GP
Co-investorsBeresford VenturesFlorida FundersJohnson Venture Partners
Voxela provides monitoring and incident detection systems for care facilities and hospitals, using AI-generated analytics to prevent falls, wandering, and other accidents in elderly care settings.
AI & Machine LearningHealthtechIoTSilicon Valley, US
Yuta EndoinGoutham KamathinYusuke Yoshidain
PartnerMax Zamkow· solo GP
Co-investorsbasepartnersLongevity Venture Partners
Welbi provides software solutions that enable senior living communities to deliver personalized care to older adults.
AI & Machine LearningData & InfrastructureHealthtechSaaS
Elizabeth Audette-Bourdeau(Founder and CEO)in
PartnerMax Zamkow· solo GP
Co-investorsGraphite VenturesMaRS Investment Accelerator FundSoGal Ventures
Portfolio news
latest coverage across their companiesPear Suite · finsmes.com · Oct 15, 2025
Frequently asked questions
- How many investments has Third Act Ventures made?
- Third Act Ventures has 33 tracked investments, 1 of which have exited, including 1 dated in the last 24 months.
- What stage does Third Act Ventures invest at?
- Third Act Ventures invests at the Seed stage.
- What sectors does Third Act Ventures focus on?
- Third Act Ventures focuses on Consumer, Digital Health, Healthtech, Longevity, Wellness & Fitness.
- Where is Third Act Ventures located?
- Third Act Ventures is headquartered in San Diego, US.
- Who does Third Act Ventures co-invest with?
- Third Act Ventures most often shares deals with Techstars, Alumni Ventures, Equitage Ventures, L.L.C., among 98 tracked co-investors.
Media · Podcasts & interviews
featuring the teamAgeTech Startup Opportunities: Third Act Ventures' Max Zamkow on Healthcare Staffing, Retirement Solutions, and Future Trends | The AgeTech Podcast S4E6 - TheGerontechnologist
Keren Etkin · Max Zamkow · thegerontechnologist.com
Art of Aging: Venture Capital and Age Tech with Max Zamkow of Third Act Ventures
United Church Homes · Max Zamkow
Max Zamkow, Managing Partner of Third Act Ventures reveals The Reason Why Age-Tech Lacks Innovation
VITALIZE Venture Capital · Max Zamkow
Taking AgeTech from Niche to Mainstream, with Max Zamkow of Third Act Ventures
VITALIZE Venture Capital · Max Zamkow
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