JZ

J Zac Stein

Founder of Stealth Startup

San Francisco, California

Overview 

J Zac Stein, a Harvard University magna cum laude graduate, has held key roles at companies like Zenefits and Lattice, serving as VP of Operations, COO, and Chief Product Officer. Currently, he is a Co-Founder at a Stealth Startup and a Venture Partner at Craft Ventures, with investments in notable companies like Parabola and Doorbell Health.

Work Experience 

  • Co-Founder

    2023 - Current

  • Board Member (Independent)

    2023

Writer is a software firm that develops a full-stack generative AI platform delivering transformative ROI for enterprises.

Raised $326,000,000.00 from Radical Ventures, PremjiInvest, Insight Partners, Gradient, Workday Ventures, ICONIQ Growth, B Capital, Accenture, Citi Ventures and Salesforce Ventures.

  • Board Member (Independent)

    2021

Vanta is a trust management platform that automates compliance and risk management.

Raised $353,000,000.00 from Goldman Sachs Alternatives, Y Combinator, Sequoia Capital, HubSpot Ventures, Workday Ventures, JP Morgan Chase, Craft Ventures, CrowdStrike and Atlassian Ventures.

  • Venture Partner

    2021

Craft Ventures is an early-stage and growth fund with proven, repeated success building and scaling SaaS businesses.

  • Advisor

    2022 - 2023

  • President & Chief Product Officer

    2020 - 2022

  • COO

    2017 - 2020

Lattice is a people success platform that help business leaders develop engaged, high-performing employees, and winning cultures.

Raised $330,320,000.00 from HighSage Ventures, Khosla Ventures, Founders Fund, Dragoneer Investment Group, Haystack, Thrive Capital, Fuel Capital, Elad Gil and Shasta Ventures.

  • VP of Operations

    2016 - 2017

  • VP & GM, Zenefits Payroll

    2015 - 2016

  • Business Operations

    2015 - 2015

Zenefits delivers a complete, all-mobile HR experience for small and medium businesses.

Raised $584,100,000.00 from TriplePoint Ventures and Unanimous Capital.

  • Co-Founder & Executive Director

    2007 - 2013

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