Fundraising Fox

Cranium

Short Hills, US · Founded 2022 · Delaware corporation · 77 employees on LinkedIn · 5 known investors

Cranium provides AI security and governance software that discovers, monitors, and defends AI models, agents, and copilots across enterprise infrastructure. The platform helps security teams defend production AI systems against emerging threats like prompt injection, model drift, and jailbreaks through continuous assessment and automated remediation.

Founders & leadership

Cranium was founded in 2022 by Jonathan Dambrot and Felix Knoll.

JDJonathan Dambrot
Jonathan DambrotCo-founder
FKFelix Knoll
Felix KnollCo-founder
VRVivek Radia
Vivek RadiaExecutive

Board

JLJay Leek
Jay LeekBoard directorManaging Partner and Founder at Syn Ventures Seed Management Llc
MBMarcus Bartram
Marcus BartraminBoard MemberGeneral Partner at Titanium Ventures
GE
Gerhard EschelbeckBoard director

Investors · 5

Reported raises · per SEC filings

Form D private placements

$51.3M disclosed across 4 rounds · 2023–2026

$20MraisedJul 2026 · 17 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Jonathan DambrotExecutive Officer, Director
  • Felix KnollExecutive Officer, Director
  • Jay LeekDirector
  • Gerhard EschelbeckDirector
  • Marcus BartramDirector
  • Vivek RadiaExecutive Officer
Offering amount
$39M
Amount sold
$20M
First sale
Jul 2026
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$19.6MraisedOct 2023 · 30 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Jay LeekDirector
  • Jonathan DambrotExecutive Officer, Director
  • Felix KnollExecutive Officer, Director
  • Gerhard EschelbeckDirector
  • Marcus BartramDirector
Offering amount
$19.6M
Amount sold
$19.6M
First sale
Oct 2023
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$4.7MraisedJul 2023 · 28 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Gerhard EschelbeckDirector
  • Jay LeekDirector
  • Felix KnollDirector
  • Jonathan DambrotExecutive Officer, Director
Offering amount
$6M
Amount sold
$4.7M
First sale
May 2023
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$7MraisedMar 2023 · 3 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Felix KnollExecutive Officer, Director
  • Jay LeekDirector
  • Jonathan DambrotExecutive Officer, Director
Offering amount
$7M
Amount sold
$7M
First sale
Mar 2023
Incorporated
Corporation, Delaware, 2022
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Competitors · 5

by search overlap
Netezza26 shared keywordsIBM is a global technology company whose business spans enterprise software (including Red Hat, HashiCorp, and Confluent), IT infrastructure such as mainframes, servers, and storage, and IT consulting services. The company is also investing heavily in quantum computing and AI-based enterprise offerings, including its Lightwell open-source software security clearinghouse and the Anderon quantum wafer foundry.
Palo Alto Networks23 shared keywordsPalo Alto Networks provides cybersecurity platforms and services to protect organizations' digital infrastructure across cloud, network, and security operations. The company serves enterprise organizations, governments, financial institutions, utilities, and healthcare providers globally.
Mindgard18 shared keywordsMindgard provides AI security solutions that help enterprises identify, assess, and mitigate threats across AI models, agents, and applications throughout the AI lifecycle. The platform uses offensive security techniques to help organizations understand exposure and reduce risk from AI-driven threats.
OpenAI17 shared keywordsOpenAI is an AI research and deployment company focused on developing artificial general intelligence (AGI) with emphasis on safety and beneficial outcomes for humanity.
Sentinel One14 shared keywordsSentinelOne provides an AI-powered cybersecurity platform for enterprises that integrates endpoint protection, threat detection, and incident response capabilities. The company serves large enterprises, including many Fortune 500 organizations, to protect against cyber threats at scale.

Companies competing with Cranium for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Frequently asked questions

What does Cranium do?
Cranium provides AI security and governance software that discovers, monitors, and defends AI models, agents, and copilots across enterprise infrastructure. The platform helps security teams defend production AI systems against emerging threats like prompt injection, model drift, and jailbreaks through continuous assessment and automated remediation.
Who founded Cranium?
Cranium was founded by Jonathan Dambrot, Felix Knoll in 2022.
Who are Cranium's investors?
Cranium's investors include Syn Ventures Seed Management Llc, Titanium Ventures, Capra Ventures H1, SYN Ventures, Telstra Ventures.
How much funding has Cranium raised?
Cranium has disclosed $51.3M raised across 4 rounds.
Where is Cranium headquartered?
Cranium is headquartered in Short Hills, US.