Tim Shannon
InvestorFounderGeneral Partner at Canaan Partners · CEO and Board Member at Quarry Thera · Manager at Halda Therapeutics · Board director at Nextcure
Westport, Connecticut
Writes $250K – $20M checks · typically $10M
About
Physician-turned-investor trained in pulmonary and critical care; former CuraGen CEO Tim Shannon founded and led Arvinas—pioneering targeted protein degradation—and often serves as board chair shaping scientific strategy and development plans.
Invests in
BiotechConsumerDeep TechEnterprise SoftwareFintechHardwareHealthtech
CEO and Board Member at Quarry Thera
Intro paths
In turn, Tim can intro founders to Quarry Thera's investors below.
Quarry Thera's investors · 4
Co-founders at Quarry Thera

Manager at Halda Therapeutics
Intro paths
In turn, Tim can intro founders to Halda Therapeutics's investors below.
Board director at Nextcure
Intro paths
In turn, Tim can intro founders to Nextcure's investors below.
Nextcure's investors · 8
Experience
- CanaanGeneral Partnercurrent2009 — present
- CuraGen CorporationPresident and CEO2002 — 2009Branford, CT
- Bayer HealthCareSVP Clinical Development1992 — 2002
Education
- Amherst CollegeBA, Chemistry1977 — 1981
- The University of Connecticut Health Center
Deals · 6
Vivace TherapeuticsBoard seat
via Canaan Partners · filed Mar 2025 · $35M raise
Rallybio HoldingsBoard seat
via Canaan Partners · filed May 2020 · $145.2M raise
NextcureBoard seat
via Canaan Partners · filed Nov 2018 · $93.4M raise
Arvinas Holding Co. LLCBoard seat
via Canaan Partners · filed Apr 2018 · $55M raise
Spyryx BiosciencesBoard seat
via Canaan Partners · filed Jul 2017 · $5M raise
CytomX TherapeuticsBoard seat
via Canaan Partners · filed Jan 2015 · $30M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Sources: the firm's website · SEC Form D filings.
Colleagues at Canaan Partners
Network1
Investors connected to Tim in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Tim Shannon?
- Physician-turned-investor trained in pulmonary and critical care; former CuraGen CEO Tim Shannon founded and led Arvinas—pioneering targeted protein degradation—and often serves as board chair shaping scientific strategy and development plans.
- Where does Tim Shannon work?
- Tim Shannon is General Partner at Canaan Partners and CEO and Board Member at Quarry Thera and Manager at Halda Therapeutics and Board director at Nextcure.
- What does Tim Shannon invest in?
- Tim Shannon invests in Biotech, Consumer, Deep Tech, Enterprise Software, Fintech, Hardware, Healthtech.
- What check size does Tim Shannon write?
- Tim Shannon typically writes checks of $250K – $20M.
- What boards does Tim Shannon sit on?
- Tim Shannon holds tracked board seats at Aer Therapeutics, Arvinas Holding Co. LLC, CytomX Therapeutics, Nextcure, Rallybio Holdings, Spyryx Biosciences, Vivace Therapeutics.
- What companies has Tim Shannon invested in?
- Investments tracked here include Vivace Therapeutics, Acesion Pharma ApS, Aer Therapeutics, Inc., Arvinas, Civitas Therapeutics, CytomX, Halda Therapeutics, Ideaya Biosciences, NextCure, Normunity, Novira Therapeutics, Rallybio, LLC, and 3 more.
- Where did Tim Shannon go to school?
- Tim Shannon studied at Amherst College (BA, Chemistry); The University of Connecticut Health Center.
- Does Tim Shannon lead rounds?
- Yes — Tim Shannon has led 1 tracked investment.
Founder mafias
Amherst College mafia16
Also came through, then founded or led a company.
+ 9 more
Canaan Partners mafia3
Also came through, then founded or led a company.
Halda Therapeutics mafia3
Also came through, then founded or led a company.
The University of Connecticut Health Center mafia2
Also came through, then founded or led a company.
Same school
Also attended Amherst College96
+ 90 more
Also attended The University of Connecticut Health Center1
Shared employers
Also worked at CuraGen Corporation5
Also worked at Bayer HealthCare69
+ 63 more









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