Brook Critchfield
InvestorPartner at Plymouth Growth
Ann Arbor, Michigan, United States
Writes $3M – $10M checks
Find your path to Brook
60 people in our graph share verified history with Brook — schools, employers, funds. One of them is your warm intro.
Samar JahanunlockedBrook: together at HarbourVest Partners, LLC (2016–2017)
×11Brook: together at HarbourVest Partners, LLC
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
Experience
- Straylight CapitalFounding Team Member & Partnercurrent2025 — presentDetroit, Michigan, United States
- Plymouth GrowthPartnercurrent2017 — presentAnn Arbor, MI
- Traction AgBoard Membercurrent2024 — presentAuburn, Indiana, United States
- Deck CommerceBoard Membercurrent2021 — presentSt. Louis City County, Missouri, United States
- Sensei LabsBoard Membercurrent2020 — presentToronto, Ontario, Canada
- MentorcliQBoard Membercurrent2019 — presentColumbus, Ohio Area
- 3BG Supply Co.Board Membercurrent2019 — presentFort Wayne, Indiana Area
- KnowledgeLakeBoard Observercurrent2018 — presentGreater St. Louis Area
- 3Gtms, LLCBoard Observer2020 — 2025Shelton, Connecticut, United States
- Able (formerly EmployStream)Board Observer2019 — 2022Cleveland/Akron, Ohio Area
- C2Dx, Inc. (Critical Care Diagnostics)Board Member2019 — 2020Kalamazoo, Michigan Area
- PacejetBoard Member2017 — 2020Columbus, Ohio Area
- PegEx, Inc.Board Observer2018 — 2020Madison, Wisconsin Area
- HarbourVest Partners, LLCVice President2016 — 2017Boston, MA
- Capital Access Funds Management, LLCVice President2007 — 2016Chicago, IL
- JPMorgan Chase & Co.Analyst2005 — 2007Chicago, IL
- FourthWave, LLCIntern2004 — 2005
Skills & more
Financial Modeling9Corporate Development6Private Equity19Finance12Valuation13Portfolio Management4Due Diligence4Investments2Mergers & Acquisitions3Financial Analysis2Business Development2Venture Capital4
+3 more
Start-upsNegotiationAnalysisFrom Brook's professional profile.
Colleagues at Plymouth Growth
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 Partner at Plymouth Growth.
- 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
Also attended Albion College9
Jason ThomasPartner at Bridge Venture FundAustin McKeeChief of Staff, Hydra Ventures at HyperNestAlberto ZagarellaInvestment Manager at DoorwayTyler YakeVice President at OceanSound PartnersKevin NothnagelInvestor at Diagram CapitalChris RiopelleCo-Founder & Chief Executive Officer at Strive Health
+ 3 more
Shared employers
Also worked at Straylight Capital4
Also worked at Sensei Labs1
Also worked at C2Dx, Inc. (Critical Care Diagnostics)1
Also worked at HarbourVest Partners, LLC37
Greg O'BrienInvestor at Third Rock VenturesSamar JahanVice President of Finance at Mission BiocapitalDaniel FureyPartner, Head of Global Capital Formation at ClearSkyBrian BuennekePartner at Pantheon VenturesDan RosenPartner at Commerce VenturesJustin StreicherAssociate at Mainsail Partners
+ 31 more