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    Ernst Theodor Sack

    Partner, Blue Bear Capital

    Ernst Theodor Sack is a founding partner at Blue Bear Capital, LLC, a venture capital firm focused on investing in machine intelligence and digital technologies for the global energy, infrastructure, and climate industries.36 With over 20 years of investment experience, Sack has a background in energy private equity, solar project finance, and venture capital.4

    Career Highlights

    • Blue Bear Capital: Partner since December 2016, leading investments in AI-enabled solutions for energy and climate tech.6
    • Riverstone Holdings: Spent nine years at this leading energy private equity firm with over $35 billion in assets under management.36
    • Citigroup M&A: Worked as an analyst covering conventional and renewable energy, shipping, and logistics industries.6

    Investment Focus

    Sack specializes in investing in companies that apply AI and software solutions to energy infrastructure, transportation, logistics, and energy-intensive industries.1 He has participated on the boards of directors of over 20 energy and software companies, including Raptor Maps, Shoreline, GoExpedi, and Element Analytics.56

    Education

    • B.S. in Science, Technology & International Affairs from Georgetown University3
    • MBA from Columbia Business School and London Business School through a joint degree program36

    Notable Achievements

    • Led Blue Bear Capital's third fund closure at $160 million, with an additional $40 million in co-investment vehicles.12
    • Instrumental in investments in companies like Raptor Maps (solar management platform) and TruckLabs (trucking efficiency technology).1

    Ernst Sack's expertise in both energy infrastructure and AI technology positions him as a key figure in the intersection of climate tech and venture capital investment.

    Highlights

    Dec 17 · latitudemedia.com
    Blue Bear Capital closes its third AI-energy fund - Latitude Media
    Nov 21 · prnewswire.com
    Blue Bear Capital Closes Third Fund, Adding $200 Million to ...
    Blue Bear Capital Closes Third Fund, Adding $200 Million to ...
    Blue Bear Capital Closes Oversubscribed $150 Million Fund for Data-Driven Technologies in Energy, Infrastructure, and Climate - Valdosta Daily Times
    Sep 21 · Business Wire
    Blue Bear Capital Closes Oversubscribed $150 Million Fund for Data-Driven Technologies in Energy, Infrastructure, and Climate - Business Wire

    Related Questions

    What are some of the most successful investments made by Blue Bear Capital under Ernst Sack's leadership?
    How did Ernst Sack's experience at Riverstone Holdings influence his approach at Blue Bear Capital?
    What are the key sectors that Blue Bear Capital focuses on, and how does Ernst Sack's background contribute to these investments?
    Can you provide more details about the AI-energy fund that Blue Bear Capital recently closed?
    How does Blue Bear Capital differentiate itself from other venture capital firms in the energy sector?
    Ernst Theodor Sack
    Ernst Theodor Sack, photo 1
    Ernst Theodor Sack, photo 2
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    Location

    Jackson, Wyoming, United States