Jack Klinck
InvestorExternal Contractor at DigitalDx Ventures · Strategic Advisor at Long Ridge Equity Partners · Board Member at DTCC · Board Member at OnCorps · Investor at Hyperplane Venture Capital
Boston, Massachusetts
Writes $250K – $3M checks · typically $1.5M
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Ask Jim Brown to introduce you to Jack
You →Jim · together at OnCorps (2025–2026) →Jack
Ask Jamie Chen to introduce you to Jack
You →Jamie · 3 people · together at Hyperplane Venture Capital →Jack
Ask Sam Okafor to introduce you to Jack
You →Sam · 8 people · together at Long Ridge Equity Partners →Jack
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Experience
- The Depository Trust & Clearing Corporation (DTCC)Board Membercurrent2024 — presentNew York
- CardlyticsChairman of the Board of Directorscurrent2016 — presentAtlanta
- Proof (formerly Notarize)Board Membercurrent2018 — presentGreater Boston
- Boston Consulting Group (BCG)External Contractorcurrent2022 — presentBoston
- Long Ridge Equity PartnersStrategic Advisorcurrent2025 — present
- XpansivVice Chairman of the Board and Chair of the Audit and M&A Committeescurrent2016 — presentSydney and New York
- OnCorpsBoard Membercurrent2015 — presentBoston
- Clarendon Partners, LLCAdvisory Board Membercurrent2023 — presentWashington DC
- Hyperplane Venture CapitalPartnercurrent2016 — presentGreater Boston
- Best EggBoard Member2023 — 2026Wilmington, DE
- ShareNettChief Executive Officer2015 — 2016Greater Boston
- State StreetManagement Committee member and Executive Vice President2006 — 2015Boston
- BNY MellonManagement Committee member and Vice Chairman1997 — 2006Pittsburgh and London
Skills & more
+11 more
EquitiesBusiness DevelopmentInvestmentsAsset ManagmentStrategic PlanningRelationship BuildingStrategic PartnershipsTeam ManagementMergers & AcquisitionsStrategyManagementFrom Jack's professional profile.
Investments
Per curated public sources.
Colleagues at DigitalDx Ventures
Network1
Investors connected to Jack in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Jack Klinck?
- Investor at Hyperplane Venture Capital
- Where does Jack Klinck work?
- Jack Klinck is External Contractor at DigitalDx Ventures.
- What check size does Jack Klinck write?
- Jack Klinck typically writes checks of $250K – $3M.
- What companies has Jack Klinck invested in?
- Investments tracked here include Allstacks, Elsen, Fundguard, OnCorps, Sandbox Banking.
- Where did Jack Klinck go to school?
- Jack Klinck studied at Duke University - The Fuqua School of Business (MBA); Middlebury College (Bachelor of Arts (BA)); Swarthmore College (Exchange Student).
Same school
Also attended Duke University - The Fuqua School of Business341
+ 335 more
Also attended Middlebury College218
+ 212 more
Also attended Swarthmore College73
+ 67 more
Shared employers
Also worked at Cardlytics13
+ 7 more
Also worked at Proof (formerly Notarize)10
+ 4 more




























































