Fundraising Fox

A.G. Breitenstein

InvestorFounder

Healthcare Advisor at Define Ventures · Founder at Folx · Board director at MedArrive

Greater Boston

FoundedFolxMedArrive

About

Founder and former CEO of FOLX Health.

Founder at Folx

Intro paths

→

In turn, A.G. can intro founders to Folx's investors below.

Folx's investors · 9

7wire VenturesChicago · $100K – $5M checksBessemer Venture PartnersRedwood City · $5M – $100M checksBreyer CapitalAustin · $500K – $10M checks · since 2022Corewell Health VenturesGrand RapidsDefine VenturesSan Francisco · $750K – $6M checks · since 2021Foresite CapitalLarkspurHabitat PartnersNew YorkPolaris PartnersBoston · $500K – $5M checksSeae VenturesMiami

Co-founders at Folx

LB
Lena BallantineExecutive Officer
LM
Liana M Guzman WeisExecutive Officer, Director

Board director at MedArrive

Intro paths

→

In turn, A.G. can intro founders to MedArrive's investors below.

MedArrive's investors · 7

7wire VenturesChicago · $100K – $5M checksCobalt VenturesKansas City · $10M – $75M checksCorewell Health VenturesGrand RapidsDeclaration PartnersNew YorkDefine VenturesSan Francisco · $750K – $6M checks · since 2023Kleiner PerkinsMenlo Park · $500K – $15M checks · since 2022Section 32Palo Alto

Co-founders at MedArrive

IP
Inna PlumbExecutive Officer
DT
Daniel TrigubExecutive Officer, Director

Experience

  1. WellSkyBoard Membercurrent2019 — presentKansas City, Missouri Area
  2. LaudioBoard Member2023 — 2024Boston, Massachusetts, United States
  3. MedArriveBoard Member2023 — 2024San Francisco Bay Area
  4. Define VenturesVenture Partner2022 — 2024Boston, Massachusetts, United States
  5. VimBoard Member2018 — 2019San Francisco Bay Area
  6. LetsGetCheckedBoard Member2018 — 2019Dublin, Ireland
  7. Buoy HealthBoard Member2017 — 2019Boston, Massachusetts
  8. Optum VenturesPartner and Co-Founder2016 — 2019Boston, Massachusetts
  9. OptumChief Product Officer, Optum Analytics2013 — 2016
  10. HumedicaFounder, Chief Product Officer2007 — 2013Greater Boston Area
  11. Insititute for Health MetricsFounder & Vice President2004 — 2007
  12. PrivaSourceFounder, Vice-President1999 — 2003Greater Boston
  13. JRI Health Law InstituteFounding Director1994 — 1998Greater Boston

Education

  1. Harvard T.H. Chan School of Public HealthMasters in Public Health, Health Policy and Management1998 — 1999
  2. University of Connecticut School of LawJD1990 — 1993
  3. Yale UniversityBachelor's degree, History1986 — 1990

Skills & more

SaaS7Enterprise Software16Software as a Service (SaaS)4Healthcare81Healthcare Information Technology72Informatics26Strategic Planning21Analytics85Product Strategy3Product Management7Business Intelligence34Leadership37
+7 moreStart-upsCross-functional Team LeadershipHealthcare ConsultingHealthcare Information Technology (HIT)Process ImprovementProgram ManagementStrategic Partnerships

From A.G.'s professional profile.

Deals · 1

MedArriveBoard seat

via Define Ventures · filed Apr 2023 · $10M raise

Attribution from SEC filings, press coverage, and firm rosters.

Colleagues at Define Ventures

Amanda Duckworth
Communications Advisor at Define Ventures
Bangaly Kaba
Consumer Advisor at Define Ventures
Beth Bierbower
Healthcare Advisor at Define Ventures
Brook Byers
Fund Advisor at Define Ventures
Bruce Broussard
Venture Partner at Define Ventures
Carolyn Magill
Venture Partner at Define Ventures
Chirag Shah
Partner at Define Ventures
Chuka Esiobu
Principal at Define Ventures

Network4

Amanda BradfordScout
Co-Founder & CEO, The League at xfactor ventures
Chirag Shah
Partner at Define Ventures
Chuka Esiobu
Principal at Define Ventures
Lynne Chou O'Keefe
Founder and Managing Partner at Define Ventures

Investors connected to A.G. in public investor directories — a warm-intro map.

Frequently asked questions

Where does A.G. Breitenstein work?
A.G. Breitenstein is Healthcare Advisor at Define Ventures and Founder at Folx and Founder at MedArrive.
What companies did A.G. Breitenstein found?
A.G. Breitenstein founded Folx, MedArrive.

Founder mafias

Yale University mafia181

Also came through, then founded or led a company.

Michael SeibelBAFounded SocialCamJustin KanPhysics and PhilosophyFounded Rye +4Kevin RyanBAFounded Business Insider +2Harry GrunerFounded Hilos +2Emmett ShearBSFounded Softmax +2Jake SchwartzBachelor of Arts (B.A.)Founded Brave Health +1

+ 174 more

Define Ventures mafia10

Also came through, then founded or led a company.

Frank WilliamsVenture PartnerFounded Advisory Board +1Toby CosgroveHealthcare AdvisorFounded Cleveland ClinicBruce BroussardVenture PartnerFounded UsoncologyCarolyn MagillVenture PartnerFounded Remedy PartnersSeth CohenCommercial AdvisorFounded OODA HealthQuinn WangAI Fellow Fall ‘25 CohortFounded Quadrant Eye

+ 3 more

Harvard T.H. Chan School of Public Health mafia7

Also came through, then founded or led a company.

Jeff Wilson aka Professor DumpsterPost-doctoral (research position)Founded No Cap +1Julien PhamMPHFounded RubiconMDReece PachecoExecutive Education in Sustainability Leadership.Founded Shelby.tvJennifer Levin CarterMasters of Public HealthFounded MedzownDavid Hachuel GurskaMaster of Public Health - MPHFounded Kiwi BiosciencesWilliam NickolsDoctor of Philosophy - PhDFounded Lotas

Buoy Health mafia3

Also came through, then founded or led a company.

Jason LavenderVP Strategy & Business DevelopmentFounded ElectivesRaquel Rodriguez MartinezVisiting ScholarFounded Empirical Health

Let’s Get Checked mafia2

Also came through, then founded or led a company.

Nick NaclerioBoard MemberFounded Quanterix

Same school

Also attended Harvard T.H. Chan School of Public Health35

Yasmin ZarabiChief Operating Officer at Sierra VenturesBill GearyExecutive Partner at Flare Capital PartnersRochelle WalenskyExecutive Partner at Flare Capital PartnersAndrew ElBardissiPartner at Deerfield Management CompanyVinod MittaVenture Partner at Floating PointRuben OsnabruggePartner & Chief Medical Officer at 415 Capital

+ 29 more

Also attended University of Connecticut School of Law2

Ken BurdickInvestor at HLM Investment PartnersWilliam F. SwiggartPresident at Beacon Angels

Also attended Yale University618

Ann Miura-KoCo-founding Partner at FloodgateDavid SzeAdvisory Partner at GreylockMichael SeibelPartner Emeritus at Y CombinatorZheela QaiserInvestor at Index VenturesAnthony PhilippakisInvestor at GV (Google Ventures)Karthik ArdhanareeswaranInvestor at GV (Google Ventures)

+ 612 more

Shared employers

Also worked at WellSky1

Joel DolisyOperating Advisor at Elsewhere Partners

Also worked at Laudio4

Liam DonohueInvestor at .406 VenturesPayal DivakaranPartner at .406 VenturesBrant HeiseManaging Director at MemorialCare Innovation FundCaleb WinderManaging Director at MemorialCare Innovation Fund

Also worked at Define Ventures17

Debby MeredithOperating Partner, Engineering at Icon VenturesMichael WertManaging Director at Longitude CapitalLynne Chou O'KeefeFounder and Managing Partner at Define VenturesChirag ShahPartner at Define VenturesChuka EsiobuPrincipal at Define VenturesGarrett HowardSenior Associate at Define Ventures

+ 11 more

Also worked at Vim7

Nigel CarrDirector at Acario InnovationCarl TremblayOperating Partner at Shine CapitalRichard LungenGeneral Partner at HC9 VenturesTal MorgensternPartner at Lightspeed Venture PartnersStephen RenfroPartner and Chief Operations Officer at Optum VenturesSeth TeicherScout at GreatPoint Ventures

+ 1 more