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The future requires sustainable cement. We're making it happen.

We’re a team of scientists, chemical engineers, mechanical engineers, and former ready-mix concrete plant managers looking to make a huge impact on climate. We’re here because we’re working on something that matters.

Working at Sublime means working with team members who are galvanized in their mission to solve difficult problems and bring about massive change, driven by passion and creativity.
Our Culture

We select team members who take pride and find joy in their work. We value creativity and innovation, which is fueled by passion, a supportive workplace, and a healthy work-life balance.

Our Benefits

  • Health and dental insurance for employees and dependents
  • 12 weeks of parental leave
  • 401k, life and disability insurance, plus professional development funding
  • 3+ weeks of paid vacation per year

Meet our team

  • Leah Ellis

    Founder & CEO

    Leah was Banting/NSERC postdoctoral fellow at MIT and earned her PhD from Prof. Jeff Dahn’s lab at Dalhousie University, where she worked in partnerships with 3M and Tesla on improving lithium-ion cell lifetime and energy density.

  • Yet-Ming Chiang

    Founder & CSO

    Yet-Ming Chiang is a Professor of Materials Sciences and Engineering at MIT, a world-renowned pioneer of electrochemistry and advanced materials, and a serial cleantech entrepreneur having previously co-founded Form Energy, Desktop Metal, 24M Technologies, A123 Systems, and American Superconductor Corp.

  • Jesse Benck

    VP of R&D

  • Joe Hicken

    VP of Business Development & Policy

  • Raffi Mardirosian

    VP of Strategy

  • Greg Williams

    VP of Product

  • Michael Stern

    Director of Process R&D

  • Mike Corbett

    Director of Engineering

  • Cayman Somerville

    Director of Operations

  • Becky Gallagher

    Head of Project Development

  • Erin Glabets

    Head of Communications

  • Brandon Williams

    Business Development Manager