ABOUT

    Building Infrastructure
    for Trusted Impact

    Carbontribe exists to make participation in carbon reduction and environmental impact transparent, verifiable, and accessible — for organizations of every scale.

    OUR_MISSION

    Making impact
    measurable and real

    At Carbontribe, we are driven by a commitment to preserving and enhancing what truly matters. We build software that creates a more sustainable world where every action is transparent, equitable, and impactful.

    Founded by two professionals with deep domain expertise, Carbontribe was born from a shared vision to transform carbon sequestration and emissions reduction through AI, scientific methodologies, and decentralized infrastructure.

    We make it possible for individuals, companies, and project developers to participate in verified environmental impact — removing the complexity that has historically kept smaller organizations on the sidelines.

    "Participating in carbon reduction and compensation is a complex process, especially for smaller businesses that are often eager to contribute. Our main goal is to make it accessible for everyone."
    Yuki Katoh — CTO, Carbontribe
    CORE_VALUES

    What drives us

    01

    Transparency

    Every dataset, methodology, and outcome is traceable end-to-end. We build systems where trust is a function of verifiability, not reputation.

    02

    Innovation

    We combine AI, scientific methodologies, and decentralized infrastructure to solve problems legacy systems weren't designed to handle.

    03

    Accessibility

    Participating in carbon reduction shouldn't require institutional scale. Our platform is built so that any organization — regardless of size — can contribute meaningfully.

    04

    Integrity

    Audited frameworks, third-party validation, and immutable records. We don't cut corners on verification because the stakes are too high.

    CONTINUOUS_DEVELOPMENT

    Evolving with the challenge

    We are committed to continuous development — both within our platform and the broader environmental movement. By embracing cutting-edge technologies and auditable methodologies, we ensure our systems evolve to meet the pressing challenges of a changing world. We work collaboratively and inspire others to join us in creating a cleaner, more sustainable future.

    THE_TEAM

    Who we are

    Keiichiro (Kay) Yano

    Keiichiro (Kay) Yano

    Co-Founder & CEO

    Ex-Google, ex-Salesforce, resides in Berlin. +15 years B2B tech enterprise bizdev. 4 times founder in Germany, Japan, Estonia. Web3 entrepreneur since 2017. IE Business School MBA.

    Yuki Katoh

    Yuki Katoh

    Co-Founder & CTO

    A master in computer vision, machine learning, AI, big data, blockchain and software engineering. University of Essex, MSc with distinction.

    Julia Sluis

    Julia Sluis

    Sustainability Strategist

    Passionate about sustainable systems and development economics, with a multidisciplinary, hands-on background in the Netherlands and Spain. Holds MSc's in Environment & Resource Management and International Development.

    Sachiko Miyake

    Sachiko Miyake

    BizDev Manager

    Ex Itochu Corporation, handled international finance and trade of forestry resource products in the US, China and APAC. Berlin School of Economics and Law MBA.

    Norika Kizawa

    Norika Kizawa

    NFT Tokenomics Advisor

    Expert in NFT / DeFi technical lead / architect, NFT marketplace, IEO, token economics design.

    Takayoshi Sonoda

    Takayoshi Sonoda

    Carbon Credit Advisor

    Specialized in third-party verification and promotes regional revitalization, corporate ESG branding, emission calculation and ESG disclosure for startups.