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Carl Stjernfeldt

Managing Director at ArcLight Capital Partners, LLC

United States

Overview 

Carl Stjernfeldt is the Managing Director at ArcLight Capital Partners, LLC, with a background in energy transition and renewable energy. With experience at Shell as Head of Corporate Development and New Energies in the Americas and as a General Partner at Castile Ventures, he brings expertise in finance, investments, and corporate venture capital to his current role. Stjernfeldt's career highlights include serving on the Board of Trustees for the Massachusetts Technology Leadership Council and being a Partner at Battery Ventures, showcasing his leadership in the energy industry and venture capital space.

Work Experience 

  • Managing Director

    2021 - Current

    Focus on energy transition related investments, Growth through buyout, including asset light and software, as well as digital infrastructure colocated with power generation. Driver of ESG framework creation, including scope 4 calculations.

  • Advisory Board Member

    2019 - 2021

  • Head of Corporate Development, New Energies – Americas

    2018 - 2021

    Responsible for all Corporate Development activities in the Americas for Shell New Energies, the renewables and emerging business models division of Shell. Minority and majority investments (>$20M) and M&A across New Energies focus areas; solar, wind, storage, power, and enhanced mobility, Traditional and asset light business models.

  • North American Venture Manager

    2013 - 2018

    Senior North American member of the team at Shell Ventures (SV), Shell's corporate Venture Capital fund. SV invests in technology companies focused on the oil & gas and future energy (clean/green tech) markets, as well as IT and Digital technologies that support them. SV acts as a strategic partner and makes minority investments in select technology companies, including Shell technology spin-outs, and also acts as an LP in some externally managed venture capital funds. Carl also headed Shell's Digital investment fund and investment areas of interest and expertise included: intersection of energy/O&G and software, incl. cloud, big data, AI/ML, 3D printing, sensor technologies, condition monitoring, exploration software, advanced mobility, wireless and wireline communications and services (hardware and software), and security software.

Shell Oil Company is an oil and gas company that explores and produces energy products.

  • Board of Trustees Member

    2009 - 2013

    Founded mobile cluster and elected chair.

  • General Partner

    2007 - 2013

  • VC member

    2010 - 2012

    12x12 is an initiative to multiply entrepreneurship in Massachusetts by engaging the creativity and experience of 12 of some of the state’s leading CEOs and 12 venture capitalists (VCs).

  • Board Member

    2004 - 2012

    Member of national advisory board, focusing on technology transfer and new company creation issues.

  • Board Member

    2006 - 2012

    Member of trade organization, elected Treasurer by peers and served as such 6/08 - 9/12

  • Board member

    2007 - 2009

    Elected as board member by peers. Actively participated in merging with MassTLC, creating a stronger industry council.

  • Partner

    2000 - 2007

    Participated in complete investment decision cycle for numerous investments, including deal sourcing, initial contact, due diligence, and term sheet negotiations. Responsible for all aspects of portfolio company management as board member, including strategy, recruitment, compensation and audit committees, fundraising, and exit negotiations. External interface for India and European investment initiatives.

Battery Ventures is a investment firm that focuses on technology.

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