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Jean Sini

Investor, Founder, Engineer.

New York, New York

Education

Work Experience

  • Founder + Managing Partner

    2018

    Early stage venture fund, backed by 90+ senior engineering leaders. Investing at pre-seed and seed in infrastructure software (Infrastructure, DevOps, AI, Machine Learning, Data Engineering, Security, Observability, Developer Tooling, Productivity & Enablement). Our portfolio includes: Recall, Salt, Tsuga, Escape, Usage, TopK, Memgraph, Mermaid Chart, Qovery, Pydantic, MecAgent, Popsink, Plakar, Otti, Morph Labs, Plural, Mako, Prowler. Our investor-market fit in this category is unique: the technology leaders backing us aren't merely investors in the fund, they also form an informal customer advisory board for founders, in particular on the product roadmap and go-to-market fronts, since they represent, in aggregate, the ideal buyer of the services we focus on. Initially operated as a syndicate investing via SPVs, then raised Fund I in Q4 2022.

2012

  • Investor + Advisor

    2012

    Advisor and seed round investor at Canva, making graphic design amazingly simple for everyone, by bringing together a drag-and-drop design tool with a library of more than 1 million stock photographs, graphic elements and fonts.

2016

  • Investor + Advisor

    2016

    The team at People.ai is on a mission to help sales teams close more business with greater visibility into their effort and efficiency.

2015

  • Investor

    2015

    Antheia combines founding intellectual property with world-leading expertise in synthetic biology, informatics, and fermentation technology to provide a stable and cost-competitive supply of plant-based medicines and to transform the discovery, manufacture, and distribution of medicines.

2019

  • Venture Partner

    2025

  • General Partner

    2019 - 2025

    Led Medical IoT Securty company Medigate's Series B round - Acquired (4x, 18 months) by IoT Security leader Claroty. Led Embedded Software Observability Platform Memfault's Series A. Partech is a global venture capital firm, led by former technology founders and operators, distributed across offices in San Francisco, Paris, Berlin and Dakar. We bring together capital and resources to support entrepreneurs at all stages in North America, Europe, Africa and Asia.

  • Investor

    2018

    Hands-off Quality Assurance Testing for Web Applications.

2014 - 2023

  • Investor + Advisor

    2014 - 2023

    Early investor at Kickpay (Y Combinator Winter 2015): a marketplace for businesses to sell their invoices, and boost their cash flow.

2017 - 2022

  • Investor

    2017 - 2022

    Acquired by Unity. Play smarter: the first freemium social platform on iOS and Android for competitive brain games, puzzles, and brain teasers.

2018 - 2019

  • Angel Track

    2018 - 2019

    Member of First Round's Angel Track  —  a masterclass and community for emerging angel investors.

  • Investor + Advisor

    2016 - 2019

    Acquired by WealthFront. Financial planning, reinvented. Grove helps you reach your goals with personalized financial guidance.