Fundraising Fox

Holden Thorp

InvestorFounder

Venture Partner at Hatteras Venture Partners · Board director at PIPr Therapeutics

Washington, District of Columbia

Writes $100K – $5M checks · typically $1.5M

FoundedPIPr Therapeutics

About

Holden Thorp is Editor-in-Chief of Science Magazine and holds professorships in chemistry and medicine at George Washington University.

Board director at PIPr Therapeutics

Intro paths

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In turn, Holden can intro founders to PIPr Therapeutics's investors below.

PIPr Therapeutics's investors · 1

Hatteras Venture PartnersResearch Triangle · $500K – $4M checks · since 2025

Co-founders at PIPr Therapeutics

HMHeather Madsen
Heather MadsenMs. Madsen is a director and the CEO of the issuer.
WW
William WieslerExecutive Officer, Director

Experience

  1. Science MagazineEditor In Chiefcurrent2019 — presentWashington D.C. Metro Area
  2. The George Washington UniversityProfessor of Chemistry and Medicinecurrent2023 — presentWashington, District of Columbia, United States
  3. PBSMember Board Of Directorscurrent2021 — present
  4. Saint Louis UniversityMember Board of Trusteescurrent2023 — present
  5. Urban Impact AdvisersConsultant and Principalcurrent2023 — presentGreater St. Louis
  6. AncoraSenior Adviser, Connections and Insightscurrent2020 — present
  7. Hatteras Venture PartnersVenture Partnercurrent2006 — present
  8. Artizan BiosciencesBoard Member2018 — 2023New Haven, CT
  9. Washington University in St. LouisRita Levi-Montalcini Distinguished University Professor2013 — 2023Departments of Chemistry and Medicine
  10. Washington University in St. LouisProvost2013 — 2019Greater St. Louis Area
  11. Viamet PharmaceuticalsCo-Founder and Consultant2005 — 2017
  12. University of North Carolina at Chapel HillChancellor2008 — 2013
  13. University of North Carolina at Chapel HillProfessor1993 — 2013
  14. University of North Carolina at Chapel HillDean of Arts and Sciences2007 — 2008
  15. University of North Carolina at Chapel HillChair of Chemistry2005 — 2007

Education

  1. CaltechDoctor of Philosophy (PhD), Chemistry1986 — 1989
  2. The University of North Carolina at Chapel HillBachelor of Science (B.S.), Chemistry1982 — 1986

Skills & more

Higher Education71Musician/Bass Player20

From Holden's professional profile.

Deals · 1

PIPr TherapeuticsBoard seat

via Hatteras Venture Partners · filed Nov 2025 · $2.5M raise

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

Colleagues at Hatteras Venture Partners

Alston Gardner
Special Advisor at Hatteras Venture Partners
Ben Scruggs
Partner at Hatteras Venture Partners
Ben Scruggs, PhD
Partner at Hatteras Venture Partners
Christy Shaffer
General Partner at Hatteras Venture Partners
Christy Shaffer, PhD
General Partner at Hatteras Venture Partners
Clay Thorp
General Partner at Hatteras Venture Partners
Declan Devens
Operations Analyst at Hatteras Venture Partners
Don Rose
Venture Partner at Hatteras Venture Partners

Network5

Ben Scruggs
Partner at Hatteras Venture Partners
Christy Shaffer
General Partner at Hatteras Venture Partners
Clay Thorp
General Partner at Hatteras Venture Partners
Don Rose
Venture Partner at Hatteras Venture Partners
Fred Goldwater
Digital Health Advisor at Excelerate Health Ventures

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

Frequently asked questions

Where does Holden Thorp work?
Holden Thorp is Venture Partner at Hatteras Venture Partners and Founder at PIPr Therapeutics.
What check size does Holden Thorp write?
Holden Thorp typically writes checks of $100K – $5M.
What companies did Holden Thorp found?
Holden Thorp founded PIPr Therapeutics.

Same school

Also attended Caltech135

Shaun MaguirePartner at Sequoia CapitalScott BillerInvestor at GV (Google Ventures)Seth LieblichInvestment Team at 8VCMarkus EnzelbergerPartner at Versant VenturesWen HsiehFounding Managing Partner at Matter Venture PartnersHaomiao HuangFounding Partner at Matter Venture Partners

+ 129 more

Also attended The University of North Carolina at Chapel Hill197

Clint MyersInvestor at RevolutionMahati SridharPartner, Rise of the Rest at RevolutionEric WagnerVP of Research and Data at Redpoint VenturesSoul DayanInvestor at True VenturesAlex LimInvestor at IVP (Institutional Venture Partners)Alex TaubPrincipal at QED Investors

+ 191 more

Shared employers

Also worked at PBS4

Eric WagnerVP of Research and Data at Redpoint VenturesRyan MichelettiGeneral Partner at The Veteran FundNattasuda A. KaplinInvestor at ADB VenturesTina SharkeyInvestor at ACME Capital

Also worked at Saint Louis University10

Andrew DearingGeneral Partner at Cultivation CapitalCaleb EidemGeneral Counsel at Cultivation CapitalKyle WelbornCofounder & General Partner at Cultivation CapitalMatt TurnerPresident and CEO, Amherst Fund at Invest MichiganLarry TaylorCo-founder at The Yield Lab Asia PacificKen HeroldOperating Partner at Capital Innovators

+ 4 more

Also worked at Washington University in St. Louis38

Bill CramsiePartner at Embedded VenturesJim McKelveyPartner at FINTOP CapitalElise HoffmanGeneral Partner at Cultivation CapitalJohn MernFellow, AI at Prime Movers LabMac BarnesData Analyst at Advantage Capital PartnersLori CoulterOperator Advisor at Redbud VC

+ 32 more

Also worked at University of North Carolina at Chapel Hill33

Lucy LiuPrincipal at Longwood FundHaley LeversedgeInvestor at Silversmith Capital PartnersChris HartshornAdvisor at ChrysalixWilliam Tunstall-PedoeInvestor at Cambridge Innovation CapitalDon HolzworthDigital Health Advisor at Excelerate Health VenturesSelene ParekhDigital Health Advisor at Excelerate Health Ventures

+ 27 more