O8 Ventures Thesis Our Advantage Portfolio Team O8 Partners Join Us

WE OXYGENATE ENTREPRENEURS

a collective of industry experts providing angel investment of vital capital and wisdom that startups need to breathe and grow

Early-Stage Investment in Deep Tech, Vertical AI and Defense

Thesis

At O8 Ventures, we back the pioneers building the future of enterprise, defense, and industrial infrastructure as well as building our own ventures together with people we trust.

We don't just invest in the future, we deploy the technologies we champion to identify, evaluate, and scale our portfolio companies.

Our Core Pillars: We invest at the early stage, focusing exclusively on massive market opportunities where software meets the physical and strategic world.
Vertical AI
Vertical AI

Generic AI is a commodity. We invest in domain-specific, highly specialized AI architectures designed to transform critical, high-barrier industries.

  • AI Trust, Security, Reliability, Data Engines and Core Infrastructure
  • Enterprise & Semiconductor Intelligence
  • Next-Gen Life Sciences & Bio-Tech AI
  • Industrial & Logistics Automation
Physical AI
Physical AI

The next industrial revolution belongs to intelligence that interacts with the physical world. We back the foundational layers and applications enabling machines to see, think, and act.

  • Embodied AI & Robotics
  • Edge AI & Silicon Intelligence
  • Autonomous Systems & Mobility
  • Smart Infrastructure & Connected Industries
Defense & Frontier Tech
Defense & Frontier Tech

National security and operational resilience require rapid, cutting-edge commercial innovation. We support the platforms securing tomorrow.

  • Dual-Use Innovations (Commercial to Defense)
  • Autonomous & Unmanned Platforms
  • Advanced Materials & Strategic Supply Chain
What Sets Us Apart

The O8 Advantage:
How We Win

Start investing smart, together.
01
01
The Power of Network Wisdom

Investment decisions are supercharged by the diverse perspectives of our community of angels. This collaborative approach creates a highly robust validation engine, identifying unique, high-conviction opportunities that traditional funds miss.

02
02
AI-Driven Due Diligence & Analytics

We practice what we preach. O8 Ventures utilizes a proprietary, AI-driven diagnostic platform to streamline asset evaluation, analyze technical viability, and conduct rigorous financial and market stress testing. This ensures our investment decisions are backed by precise, data-driven conviction.

03
03
"Smart Money" & Active Execution

We provide far more than capital. Our network consists of veteran operators, founders, and corporate executives who act as active contributors. We leverage our deep industry roots to open doors, accelerate go-to-market strategies, and drive immediate commercial traction.

04
04
Hands-On Risk Mitigation

Our partners' vast operational experience is our greatest asset for securing and maximizing investment value. From architectural advisory to board governance, we provide the strategic mentorship required to strengthen startup foundations and accelerate growth.

Our Portfolio
Elpida
KOTA AI
Sairen
AIONAS
Aigie
AeroFort
Addionics
ai.work
Acquired by ServiceNow
One-Five
YAAK
MantaRay
Timeliner
Team

Your Success is our only mission.

At O8 Ventures, we bridge 30 years of deep-tech expertise with our proprietary, multi-characterized AI platform. Our initial analysis doesn't just look at a pitch deck; it synthesizes high-dimensional data to provide an objective diagnostic of a company's technical and market potential. By layering this High-Fidelity Intelligence with the Power of Crowd Wisdom, we ensure that our investment decisions are backed by both rigorous analysis and collective human experience.

Kobi Marenko
Kobi Marenko
Managing Partner & Co-Founder
Eli Kraus
Eli Kraus
Managing Partner & Co-Founder
O8 Ventures Partners
MarketCap Investments
MarketCap Investments

An Investment team based in Georgia Atlanta, which provides strategic support and investments to enable a brighter future. MarketCap Investments builds value together with founders through capital investment and strategic collaboration. MarketCap Investments invests in transformative ideas led by entrepreneurs who align the same values, through equity investments with flexible structures tailored to each opportunity. They invest in businesses they believe in and support their growth with aligned capital and tailored support.

marketcapinvestments.com →
Epsilon
Epsilon

Epsilon is a venture studio that brings together world-class talent to build powerful, multidisciplinary founding teams. Epsilon studio program gives founders the hands-on support to launch and scale breakthrough deep tech solutions.

epsilonclimate.com →
Be Part of the Future

Join O8 Ventures

Whether you're building the next technology breakthrough or looking to invest alongside elite operators, there's a place for you here.

For Founders

For Entrepreneurs

Have a breakthrough idea? Share your vision with us. We back bold founders building at the frontier of deep-tech, AI, and defense.

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    For Capital

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    Partner with us as an LP and gain access to institutional-grade early-stage deals, powered by AI diagnostics and a network of elite operators.

    Privacy Policy & Terms of Service

    Effective Date: May 2026  |  O8 Ventures  |  o8-ventures.com

    1. Who We Are

    O8 Ventures ("we," "us," or "our") is an early-stage venture fund focused on deep tech, vertical AI, and defense technology. We operate the website o8-ventures.com and collect information submitted through our contact forms.

    2. Information We Collect

    When you submit a form on our website, we collect: full name, email address, company name, phone number, notes and links you provide, and any files you upload (such as pitch decks). For investor inquiries, we also collect contact details and investment interest notes.

    3. How We Use Your Information

    We use your information solely to: evaluate investment opportunities and respond to your inquiry; communicate with you about potential collaboration; and maintain records of our deal flow and investor relations. We do not use your data for marketing, advertising, or profiling purposes.

    4. Data Sharing

    We do not sell, rent, or trade your personal data. Your information is shared only between O8 Ventures partners (Eli Kraus and Kobi Marenko) for the purpose of evaluating your submission. We do not share your data with third parties except where required by law.

    5. Data Retention

    We retain your information for as long as necessary to evaluate your submission or maintain our investor relationship, typically no longer than 3 years. You may request deletion of your data at any time by contacting us.

    6. Your Rights (GDPR & CCPA)

    Depending on your jurisdiction, you have the right to: access the personal data we hold about you; request correction or deletion of your data; object to or restrict our processing; and withdraw consent at any time. To exercise these rights, contact us at eli@o8-ventures.com.

    7. Data Security

    We take reasonable measures to protect your information. Data submitted through our forms is transmitted via encrypted connections (HTTPS) and stored securely. However, no method of transmission over the internet is 100% secure.

    8. Cookies

    This website does not use tracking cookies or analytics cookies. We only use essential technical functionality necessary to operate the website.

    9. Children's Privacy

    Our services are not directed to individuals under 18 years of age. We do not knowingly collect personal data from minors.

    10. Contact Us

    For any privacy-related questions or requests, please contact:
    Eli Kraus — eli@o8-ventures.com
    Kobi Marenko — kobi@o8-ventures.com

    11. Changes to This Policy

    We may update this Privacy Policy from time to time. The effective date at the top of this page will reflect the most recent revision. Continued use of the website after changes constitutes acceptance of the updated policy.

    Terms of Service

    By submitting a form on this website, you confirm that: all information provided is accurate and truthful; you have the right to share any materials submitted (including pitch decks); you understand that submission does not guarantee any investment or response; and O8 Ventures reserves the right to decline any submission without explanation.

    Elpida
    Elpida is resolving the fundamental conflict between regulatory rigor and commercial agility in healthcare. Traditionally, this friction creates a structural gap where market momentum is sacrificed for safety, and growth is throttled by manual, outdated review cycles. Elpida bridges this divide by providing a Live Regulatory Perimeter that serves as a continuous safety layer for a brand's entire digital ecosystem, coupled with upstream validation that ensures marketing assets are compliant by design before they ever reach review. By transforming compliance from a defensive hurdle into a proactive safety engine, Elpida enable healthcare leaders to achieve Secured Velocity-accelerating time-to-market while neutralizing the financial and reputational risks inherent in live digital communications. getelpida.com
    KOTA AI
    Stealth Mode
    Sairen
    An omnichannel AI hub for customer communication. Centralize and automate customer interaction across all channels: It uses conversational AI agents to automate interactions across phone, email, WhatsApp, and social media, providing a centralized platform for real-time resolution, smart ticketing, and sentiment analysis. sairen.io
    AIONAS
    Enterprise SDK that wraps any LLM stack to detect and block AI hallucinations in real time. Building a trust infrastructure for regulated AI, using a mechanistic pipeline to detect hallucinations before delivery. This private SDK offers a "white-box" alternative to standard guardrails for high-stakes deployments. aionas.ai
    Aigie
    Aigie is the autonomous reliability runtime that keeps AI agents working in production. Execution runtime layer that autonomously detects and fixes AI agent failures in real time. It uses reinforcement learning to bridge the production reliability gap without requiring infrastructure changes. aigie.io
    AeroFort
    Mobile last-layer defense solution for immediate, one-to-many drone threat neutralization in dynamic operational environments.
    Epsilon
    Epsilon is a venture studio that brings together world-class talent to build powerful, multidisciplinary founding teams. Epsilon studio program gives founders the hands-on support to launch and scale breakthrough deep tech solutions. epsilonclimate.com
    Addionics
    Smart Metals for the Next Generation of Batteries. Addionics mission is to deliver a highly precise, scalable, cost-effective product that would enable any battery to perform better. While other companies improve the chemical composition of batteries, Addionics revolutionizes battery structure to enhance performance. Addionics low-cost, drop-in solution seamlessly integrates into existing manufacturing facilities, increasing production capacity while reducing costs. Designed for commercial scale, Addionics partners with major OEMs and automakers across North America and Europe. addionics.com
    ai.work
    ai.work provides a specialized AI Worker platform utilizing autonomous agents to automate complex enterprise workflows. The platform seamlessly handles internal corporate processes across IT service management, human resources, and finance operations to maximize organizational efficiency. ai.work
    One-Five
    One-Five operates an AI-powered packaging platform called Quartermaster that accelerates sustainable materials development. The software combines artificial intelligence with domain expertise to optimize R&D, scout eco-friendly materials, and align packaging designs with strict product-market-fit and regulatory requirements. one-five.com
    YAAK
    Yaak AI develops a unified workflow to search and uncover trends within petabytes of multimodal data, and build spatial intelligence platform that helps embodied AI, robotics, and automotive teams manage multimodal log data, provides open-source development tools and software to visualize data, search complex physical scenarios, and automate safety validation. yaak.ai
    MantaRay
    Coming soon.
    Timeliner
    AI-powered quality control and workflow platform for video production agencies. Timeliner is a vertical SaaS platform built for video agencies and production studios, combining project management, timecoded client review, payment tracking, and an AI-driven quality control layer into one workspace. timeliner.io