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Brian O’Connor

Managing Director

Brian joined us in 2000. Prior to joining us, he worked in Institutional Sales at Adams Harkness & Canaccord Genuity. Brian has been a Managing Director in Equity Capital Markets since 2008, where he has executed transactions across Growth Sectors. He started his career at The Boston Company. Brian holds a BA in English Language and Literature from The College of the Holy Cross.

Contact Details

Location: Boston, US

+1 617 371 3778

boconnor@cgf.com


Selected Transactions

  • Brazil Potash
    US$28m
    October 2025 US Flag

    Brazil Potash

    Lead Placement Agent (Private Placement)

    View Transaction Detail

  • Dragonfly Energy
    US$55m
    October 2025 US Flag

    Dragonfly Energy

    Sole Bookrunner (Follow-On Offering)

    View Transaction Detail

  • Dragonfly Energy
    US$29m
    October 2025 US Flag

    Dragonfly Energy

    Sole Bookrunner (Registered Direct Offering)

    View Transaction Detail

  • Contango Ore
    US$50m
    September 2025 US Flag

    Contango Ore

    Sole Bookrunner (Registered Direct Offering)

    View Transaction Detail

  • Lucid Diagnostics
    US$29m
    September 2025 US Flag

    Lucid Diagnostics

    Joint Bookrunner (Follow-On Offering)

    View Transaction Detail

  • ASP Isotopes
    US$60m
    July 2025 US Flag

    ASP Isotopes

    Joint Bookrunner (Registered Direct Offering)

    View Transaction Detail

  • Rhythm Pharmaceuticals
    US$175m
    July 2025 US Flag

    Rhythm Pharmaceuticals

    Lead Manager (Follow-On Offering)

    View Transaction Detail

  • ASP Isotopes
    US$50m
    June 2025 US Flag

    ASP Isotopes

    Joint Bookrunner (Registered Direct Offering)

    View Transaction Detail

  • Galaxy Digital
    US$600m
    June 2025 US Flag

    Galaxy Digital

    Joint Bookrunner (Upsized Offering of Common Stock)

    View Transaction Detail

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