JL

Jeffrey Leventhal

Managing Partner at S12F

New York, New York

Overview 

Jeffrey Leventhal is the Managing Partner at S12F in New York, overseeing various board memberships and providing strategic guidance to numerous technology companies. With a background in software development and entrepreneurship, he has successfully led companies such as WorkRails, Inc. as Co-founder & CEO and Core Technology Solutions as Chairman of the Board, showcasing his expertise in business development and strategic planning.

Work Experience 

  • Managing Partner

    2020 - Current

    S12F is a privately held investment business. We invest in Private Equity and Venture Capital and co-invest alongside our funds. We rely on exits and cash flow generated by our portfolio businesses and advisory work to fund new investments. Our mission is to support the individualistic pursuit of freedom with good health and lots of compounding cash flow.

  • Chairmen of the Board

    2023

  • Member Board of Directors

    2023

MBO Partners has the industry’s only complete business operating system for independent workers.

  • Member Board of Directors

    2024

  • Member Board of Directors

    2021

  • Chairman of the Board

    2022 - 2024

    Sold to create ServicePoint with Mill Point Capital

  • Shareholder, Advisor

    2012 - 2022

  • Member Board of Directors

    2020 - 2024

    Sold to BigTime Software

  • Co-founder & CEO, Board Member

    2016 - 2020

    We've built a Service Catalog platform that makes selling professional services easy, scalable and profitable.

  • Strategic Advisor

    2020 - 2024

Bolster helps startup CEOs scale themselves, their leadership teams, and their boards.

Raised $21,953,074.00 from Alumni Ventures, Union Square Ventures, Capital Factory, Costanoa Ventures, High Alpha, Alumni Ventures, Foundry Group and SVB Financial Group.

  • Member Board of Directors

    2020 - 2023

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