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Brook Critchfield

Investor

General Partner at Plymouth Partners · Partner at Plymouth Growth · Board director at Traction Ag · Board director at Deck Commerce

Ann Arbor, Michigan, United States

Writes $3M – $10M checks

Find your path to Brook

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

Shane AraujounlockedBrook: together at 3BG Supply Co. (2019–2026)
Brook: together at Deck Commerce
Brook: together at 3Gtms, LLC
×4Brook: together at Straylightcapital

About

Brook Critchfield targets messy-middle founder-led B2B software—too mature for VC, too small for PE—preferring operator-first teams with deep domain expertise and products that deliver quick, measurable ROI.

Contact· self-published, not guessed

Invests in

CybersecurityEnterprise SoftwareFintechHealthtechSaaS

Board director at Traction Ag

Intro paths

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In turn, Brook can intro founders to Traction Ag's investors below.

Traction Ag's investors · 5

Allos VenturesCincinnati · $1M – $6M checks · since 2026Cerity Partners VenturesBoston · since 2026Elevate VenturesIndianapolis · $20K – $2M checks · since 2026RACNew York · since 2026Riverside Acceleration CapitalNew York · $1M – $40M checks · since 2026

Co-founders at Traction Ag

DSDustin Sapp
Dustin SappExecutive Officer, Director, Promoter
BSBrian Stark
Brian StarkExecutive Officer

Board director at Deck Commerce

Intro paths

→

In turn, Brook can intro founders to Deck Commerce's investors below.

Deck Commerce's investors · 3

ArsenalNew York · since 2018Plymouth GrowthAnn Arbor · $5M – $25M checks · since 2021Riverside Acceleration CapitalNew York · $1M – $40M checks · since 2021

Co-founders at Deck Commerce

CDChristopher Deck
Christopher DeckDirector and Chief Executive Officer

Experience

  1. Straylight CapitalFounding Team Member & Partnercurrent2025 — presentDetroit, Michigan, United States
  2. Plymouth GrowthPartnercurrent2017 — presentAnn Arbor, MI
  3. Traction AgBoard Membercurrent2024 — presentAuburn, Indiana, United States
  4. Deck CommerceBoard Membercurrent2021 — presentSt. Louis City County, Missouri, United States
  5. Sensei LabsBoard Membercurrent2020 — presentToronto, Ontario, Canada
  6. MentorcliQBoard Membercurrent2019 — presentColumbus, Ohio Area
  7. 3BG Supply Co.Board Membercurrent2019 — presentFort Wayne, Indiana Area
  8. KnowledgeLakeBoard Observercurrent2018 — presentGreater St. Louis Area
  9. 3Gtms, LLCBoard Observer2020 — 2025Shelton, Connecticut, United States
  10. Able (formerly EmployStream)Board Observer2019 — 2022Cleveland/Akron, Ohio Area
  11. C2Dx, Inc. (Critical Care Diagnostics)Board Member2019 — 2020Kalamazoo, Michigan Area
  12. PacejetBoard Member2017 — 2020Columbus, Ohio Area
  13. PegEx, Inc.Board Observer2018 — 2020Madison, Wisconsin Area
  14. HarbourVest Partners, LLCVice President2016 — 2017Boston, MA
  15. Capital Access Funds Management, LLCVice President2007 — 2016Chicago, IL
  16. JPMorgan Chase & Co.Analyst2005 — 2007Chicago, IL
  17. FourthWave, LLCIntern2004 — 2005

Skills & more

Financial Modeling9Corporate Development6Private Equity19Finance12Valuation13Portfolio Management4Due Diligence4Investments2Mergers & Acquisitions3Financial Analysis2Business Development2Venture Capital4
+3 moreStart-upsNegotiationAnalysis

From Brook's professional profile.

Colleagues at Plymouth Partners

Evan Ufer
Partner at Plymouth Growth
Jeff Barry
Partner at Plymouth Growth
Kevin Terrasi
Partner at Plymouth Growth
Robert A. Simensky
Executive Officer at Plymouth Partners

Frequently asked questions

Who is Brook Critchfield?
Brook Critchfield targets messy-middle founder-led B2B software—too mature for VC, too small for PE—preferring operator-first teams with deep domain expertise and products that deliver quick, measurable ROI.
Where does Brook Critchfield work?
Brook Critchfield is General Partner at Plymouth Partners and Board director at Traction Ag and Board director at Deck Commerce.
What does Brook Critchfield invest in?
Brook Critchfield invests in Cybersecurity, Enterprise Software, Fintech, Healthtech, SaaS.
What check size does Brook Critchfield write?
Brook Critchfield typically writes checks of $3M – $10M.
Where did Brook Critchfield go to school?
Brook Critchfield studied at Albion College (BA, Economics & Management).

Same school

Shared employers

Also worked at C2Dx, Inc. (Critical Care Diagnostics)1

Evan UferPartner at Plymouth Growth