Fundraising Fox
Mark Hatfield
InvestorFounder & Partner at Ten Eleven
Boston, Massachusetts
Writes $3M – $15M checks · typically $9M
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About
Mark Hatfield, a Founder and General Partner and one of the original specialist cybersecurity VCs, is a frequently cited authority on protecting AI/ML models from data poisoning and adversarial attacks.
Contact· self-published, not guessed
Invests in
AI & Machine LearningCrypto & Web3CybersecurityData & InfrastructureFintech
Deals · 3
HiddenLayer, Inc.Board seat
via Ten Eleven · filed Feb 2024 · $50.2M raise
JASK Autonomous Security PlatformBoard seat
via Ten Eleven · filed Oct 2019 · $34M raise
Cyber Global Risk ExchangeBoard seat
via Ten Eleven · filed Apr 2017 · $20M raise
Attribution from SEC filings, press coverage, and firm rosters.
Other disclosed investments
Board seats
Investor
AembitCado SecurityCybergrxCylanceDarkhiveDarkhive Inc.DarktraceDigital ShadowsFurlGoSecure (formerly CounterTack)GuardareHarmonic SecurityHexaditeHypernativeImmutaInterpres SecurityJASKKnowbe4NetspiNoetic CyberPing IdentityRealiquestReliaQuestSemperisTwineTwistlockValid NetworkVerodinVulcan CyberVulcan CyberVulncheck
Sources: SEC Form D filings · curated public sources · the firm's website.
Colleagues at Ten Eleven
Network1
Investors connected to Mark in public investor directories — a warm-intro map.
Frequently asked questions
- Who is Mark Hatfield?
- Mark Hatfield, a Founder and General Partner and one of the original specialist cybersecurity VCs, is a frequently cited authority on protecting AI/ML models from data poisoning and adversarial attacks.
- Where does Mark Hatfield work?
- Mark Hatfield is Founder & Partner at Ten Eleven.
- What does Mark Hatfield invest in?
- Mark Hatfield invests in AI & Machine Learning, Crypto & Web3, Cybersecurity, Data & Infrastructure, Fintech.
- What check size does Mark Hatfield write?
- Mark Hatfield typically writes checks of $3M – $15M.
- What boards does Mark Hatfield sit on?
- Mark Hatfield holds tracked board seats at Aembit, Cyber Global Risk Exchange, Darkhive, Fleet, HiddenLayer, Inc., Hypernative, JASK Autonomous Security Platform.
- What companies has Mark Hatfield invested in?
- Investments tracked here include Aembit, Cado Security, Cybergrx, Cylance, Darkhive, Darkhive Inc., Darktrace, Digital Shadows, Furl, GoSecure (formerly CounterTack), Guardare, Harmonic Security, and 19 more.
About this profile. Compiled from public sources — Ten Eleven's own website, regulatory filings and public professional profiles — and summarised by Fundraising Fox; every fact is kept with where it came from. Spotted an error, or would rather not be listed? Email privacy@fundraisingfox.com · How we build profiles · Your rights