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Elementum Ventures

Menlo Park, California · Invests in US; Europe; North America; MENA · Website

SeedPre-SeedHealthcare & BiotechClimate & EnergySpace & DefenseRoboticsHardware & DevicesFrontier TechAerospace & DefenseClimate & Clean EnergyRobotics & AutomationBiotech & Life SciencesSemiconductors & HardwareManufacturing & Industrial

Thesis

Seed-stage deep technology with IP defensibility, deployed by multi-exit founder-operators willing to be hands-on operational partners. Focus on frontier sectors—defense, climate, space, biotech, fusion—where bold technical founders are building mission-critical capabilities.

Likely not a fit for

Consumer social apps, traditional SaaS, fintech, non-mission-driven companies, or founders unwilling to partner closely with hands-on operators

How they invest

Lead or follow
Usually leads
Typical decision
~1 month
Warm intro
Preferred
Involvement
Takes a board seat
Fund status
Actively deploying
Decision process
Partnership vote

Partners & team

4 contacts on file

BC

Ben Chelf

General PartnerGeneral Partner · Primary contact

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LinkedIn profile

X profile

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BP

Ben Patterson

General PartnerGeneral Partner

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KK

Kurt Keilhacker

General PartnerGeneral Partner

+ Pitch
TC

Ted Callahan

Platform & OpsCo-Founder & Advisor

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Portfolio

AndurilAerospace Defense

RedZone builds ruggedized, connected portable medical equipment for frontline emergency response teams, transforming outdated hardware into a modern, data-driven infrastructure. Their connected medical data platform enables real-time patient monitoring and equipment readiness, targeting military, EMS, and federal incident preparedness.

TwelveClimate Clean Energy

Twelve is a carbon transformation company that converts captured carbon dioxide into valuable chemicals, fuels, and other essential products typically made from fossil fuels.

LoomEnterprise Software

Easily record and share AI-powered video messages with your teammates and customers to supercharge productivity.

Slingshot AerospaceEnterprise Software

Slingshot Aerospace is focused on making space safe, sustainable, and secure by providing near-real-time insights, explainable AI, and interoperable tools for space operations.

CirceBiotech Life Sciences

Circe Biomedical is developing innovative cell technologies and systems for diseases of the liver and pancreas, focusing on bioartificial organs and therapeutic cell systems.

Clora
Fathom Radiant
Move37Enterprise Software

Move 37 helps augment human intelligence with powerful intelligent AI systems and AI agents in the enterprise. We help clients create the future that we all just realised was possible.

AmpdEcommerce Marketplaces

Ampd.ai is a platform for buying and leasing domain names, ensuring safe and simple transactions.

Bold MetricsEnterprise Software

Bold Metrics provides analytics, a Virtual Tailor API, and a Virtual Sizer API for predicting garment sizes and body measurements.

ThreadloomEcommerce Marketplaces
1517 FundMedia Entertainment

1517.org is a nonprofit organization dedicated to declaring and defending the Good News of Christian forgiveness. It is not affiliated with any religious denomination.

Recent activity

Elementum Ventures in the news

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Research briefRead more
Elementum Ventures Research Investment Thesis Elementum Ventures invests in seed-stage deep technology companies targeting large markets with intellectual property as their primary differentiation and defensibility. The fund's thesis centers on emerging technologies on the cusp of commercialization across frontier deep-tech sectors including defense, carbon conversion, space, fusion, and advanced

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