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 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, Celldex Therapeutics, CytomX Therapeutics, NextCure, Rallybio Holdings, Spyryx Biosciences, Vivace Therapeutics.

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.

Tim Shannon

Investor

General 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

Find your path to Tim

317 people in our graph share verified history with Tim — schools, employers, funds. One of them is your warm intro.

Will ReedunlockedTim: together at Amherst College

×7Tim: together at Amherst College

Tim: together at Bayer HealthCare

Tim: together at CytomX Therapeutics

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.

Contact· self-published, not guessed

t•••@canaan.comreveal

Invests in

BiotechConsumerDeep TechEnterprise SoftwareFintechHardwareHealthtech

Beyond investing

Boards: Shannon is a member of the Quality Assurance, Compliance and Safety Committee for the Yale Cancer Center.

From published sources — common ground for a warm intro.

CEO and Board Member at Quarry Thera

Intro paths

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In turn, Tim can intro founders to Quarry Thera's investors below.

Quarry Thera's investors · 4

Canaan PartnersStamford · $500K – $20M checks · since 2025 F-Prime CapitalCambridge · $3M – $10M checks · since 2025 Lilly Venturessince 2025 YosemiteSan Francisco · since 2025

Co-founders at Quarry Thera

Craig CrewsCo-Founder & Scientific Advisor

Manager at Halda Therapeutics

Intro paths

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In turn, Tim can intro founders to Halda Therapeutics's investors below.

Halda Therapeutics's investors · 7

Access BiotechnologyNew York City Canaan PartnersStamford · $500K – $20M checks Connecticut InnovationsNew Haven · $500K – $2M checks Frazier Life SciencesPalo Alto RA CapitalBoston Taiho Ventures, LLCMenlo Park Vida VenturesLos Angeles

Board director at NextCure

Intro paths

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In turn, Tim can intro founders to NextCure's investors below.

NextCure's investors · 9

Bay City CapitalSan Rafael · $5M – $10M checks Canaan PartnersStamford · $500K – $20M checks · since 2015 LAVHong Kong · $5M – $15M checks Lilly Asia VenturesHong Kong OrbiMedNew York · $1M – $75M checks · since 2015 Pfizer Venture Investments$5M – $20M checks Quan CapitalShanghai Sofinnova VenturesMenlo Park · $100K – $15M checks · since 2025 Taiho Ventures, LLCMenlo Park

Co-founders at NextCure

Michael RichmanExecutive Officer, Director

Experience

CanaanGeneral Partnercurrent2009 — present
CuraGen CorporationPresident and CEO2002 — 2009Branford, CT
Bayer HealthCareSVP Clinical Development1992 — 2002

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

Aer TherapeuticsCelldex Therapeutics

Investor

Acesion Pharma ApSAer Therapeutics, Inc.ArvinasCivitas Therapeutics CytomX Halda Therapeutics Ideaya Biosciences Normunity Novira Therapeutics Rallybio, LLC Triton Therapeutics, Inc.Virtuoso Therapeutics, Inc.

Sources: the firm's website · SEC Form D filings · curated public sources.

Colleagues at Canaan Partners

Antonio Lepore

Investor at Canaan Partners

Brendan Dickinson

General Partner at Canaan Partners

Brent Ahrens

General Partner at Canaan Partners

Bridget Flaherty

Director of Primary Labs at Primary Venture Partners

Colleen Cuffaro

Partner at Canaan Partners

Dana Malman Warren

Investor at Canaan Partners

Deepak Kamra

General Partner at Canaan Partners

Evan Teiger

Investor at Canaan Partners

Network1

Dr Arjun Goyal

Investment committee member at Tin Alley Ventures

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, Celldex Therapeutics, 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.