Fundraising Fox
Mark Gilreath
InvestorFounding Investor at DOGWOOD VENTURES · Chief Executive Officer at United Digestive · Board director at Spiranetics · Board director at iTrust Ventures
Atlanta, Georgia
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About
Mark Gilreath is a healthcare founder who started and scaled EndoChoice to an IPO on the NYSE, and later partnered with Frazier Healthcare Partners to build United Digestive, a digestive health company. Earlier he helped lead Given Imaging's Americas division and served as its global CMO through a Nasdaq IPO. He holds an MBA from Duke University and an undergraduate finance degree from Winthrop University, and previously served as an officer in the U.S. Navy.
Invests in
Digital HealthHealthtech
Chief Executive Officer at United Digestive
Intro paths
In turn, Mark can intro founders to United Digestive's investors below.
United Digestive's investors · 1
Board director at Spiranetics
Intro paths
In turn, Mark can intro founders to Spiranetics's investors below.
Spiranetics's investors · 1
Board director at iTrust Ventures
Intro paths
In turn, Mark can intro founders to iTrust Ventures's investors below.
iTrust Ventures's investors · 1
Experience
- Founders FuelFounder, Investorcurrent2017 — presentAtlanta, Georgia, United States
- Children's Healthcare of AtlantaMember, Board of Trusteescurrent2022 — presentAtlanta, Georgia, United States
- RunLoyal: Pet SoftwareCo-Founder, Investor, Board Membercurrent2019 — present
- Marcus Autism CenterChairman of the Board of Trustees2016 — 2024Atlanta, Georgia, United States
- United DigestiveFounding CEO2018 — 2024
- Frazier Healthcare PartnersOperating Partner2017 — 2019
- Medical Device Manufacturers Association (MDMA)Board of Directors2014 — 2017Washington DC-Baltimore Area
- EndoChoice Inc. (NYSE: GI)Founder & CEO2008 — 2016Atlanta / Germany / Israel / China
- Given Imaging Ltd (NASDAQ: GIVN)President for The Americas & Chief Marketing Officer1999 — 2008Atlanta / Israel / Germany / Japan
- PENTAX Medical AmericasDirector of Business Development1992 — 1999
- US NavyOfficer1989 — 1992Rota, Andalusia, Spain
Skills & more
+10 more
SalesStart-upsExecutive ManagementCross-functional Team LeadershipHigh Performance TeamsSellingLean OperationsLeadershipStrategic PlanningProcess ImprovementFrom Mark's professional profile.
Deals · 2
iTrust VenturesBoard seat
via DOGWOOD VENTURES · filed Nov 2025 · $500K raise
SpiraneticsBoard seat
via DOGWOOD VENTURES · filed May 2024 · $750K raise
Attribution from SEC filings, press coverage, and firm rosters.
Colleagues at DOGWOOD VENTURES
Frequently asked questions
- Who is Mark Gilreath?
- Mark Gilreath is a healthcare founder who started and scaled EndoChoice to an IPO on the NYSE, and later partnered with Frazier Healthcare Partners to build United Digestive, a digestive health company. Earlier he helped lead Given Imaging's Americas division and served as its global CMO through a Nasdaq IPO. He holds an MBA from Duke University and an undergraduate finance degree from Winthrop University, and previously served as an officer in the U.S. Navy.
- Where does Mark Gilreath work?
- Mark Gilreath is Founding Investor at DOGWOOD VENTURES and Chief Executive Officer at United Digestive and Board director at Spiranetics and Board director at iTrust Ventures.
- What does Mark Gilreath invest in?
- Mark Gilreath invests in Digital Health, Healthtech.
- What boards does Mark Gilreath sit on?
- Mark Gilreath holds tracked board seats at iTrust Ventures, Spiranetics.
- Where did Mark Gilreath go to school?
- Mark Gilreath studied at Duke University - The Fuqua School of Business (MBA); Harvard Business School (Executive Education: CEO Presidents' Program); Defense Language Institute Foreign Language Center (French Language Studies, International Relations and Affairs).
Founder mafias
Harvard Business School mafia1,241
Also came through, then founded or led a company.
Duke University - The Fuqua School of Business mafia95
Also came through, then founded or led a company.
Frazier Healthcare Partners mafia9
Also came through, then founded or led a company.
Defense Language Institute Foreign Language Center mafia7
Also came through, then founded or led a company.
Winthrop University mafia3
Also came through, then founded or led a company.
Same school
Also attended Duke University - The Fuqua School of Business340
+ 334 more
Also attended Harvard Business School2,000
+ 1,994 more
Also attended Defense Language Institute Foreign Language Center14
+ 8 more
Also attended Winthrop University5
Shared employers
Also worked at Frazier Healthcare Partners46
+ 40 more
Also worked at Given Imaging Ltd (NASDAQ: GIVN)238
+ 232 more
Also worked at US Navy255
+ 249 more