Marissa Kirsh

Marissa Kirsh

Associate, Construction Law

Contact Information

tel: 416.862.4224



Bar Admission

Ontario, 2014


  • University of Ottawa, J.D.
  • University of Edinburgh and Heriot-Watt University, M.Sc.
  • McGill University, B.Eng.



Marissa’s practice covers many areas of corporate and commercial law, with a focus on the energy, financial services, and infrastructure sectors. She has worked on a variety of complex transactions related to public-private partnerships, project financings of major renewable energy projects, acquisitions and sales of large energy and infrastructure projects, syndicated credit facilities and partnering agreements. Marissa has experience representing a broad range of clients, including corporate borrowers and lenders, including developers, equity sponsors, contractors, and banks.

Marissa obtained her J.D. at the University of Ottawa, and spent a semester studying abroad at George Washington University in Washington, D.C. She received her B.Eng. in Chemical Engineering at McGill University and her M.Sc. in Financial Mathematics at the University of Edinburgh and Heriot-Watt University.

Prior to joining Osler, Marissa summered and articled at another national law firm.

  • Potentia Renewables Inc.

    Potentia Renewables in five unique, long term, non-recourse project financings

  • Wheatland Wind Project LP

    Wheatland Wind Project in its approval for construction

  • Pattern Energy Group LP

    Pattern in its $1.2 billion refinancing of the 300 MW Henvey Inlet wind generation facility

  • EllisDon Capital

    EllisDon Capital in its bid on the Burnaby Hospital Redevelopment Project

  • SP Armow Wind Ontario LP

    SP Armow Wind Ontario LP in its $700 million financing

  • Broadway Subway

    A syndicate of international banks in the $2.8 billion Millennium Broadway Extension

  • Firelight Infrastructure Partners LP

    Firelight Infrastructure Partners LP in the sale of a 67MW portfolio of renewable energy projects

  • Dream Unlimited Corp.

    Dream Unlimited Corp. the $47.2 million sale of its renewable power portfolio to Potentia Renewables Inc.

  • Concert Infrastructure Ltd

    Concert Infrastructure Purchase of Majority Interest in Iqaluit Airport

  • BlackRock Real Assets

    BlackRock Real Assets in the sale of its portfolio of Canadian solar plants to Ullico Inc.

  • Pattern Energy Group Inc.

    Pattern Energy Group Inc. in the sale of its interest in the K2 Wind Project to a consortium of investors led by Axium Infrastructure

  • Henvey Inlet Wind LP

    Henvey Inlet Wind LP in the $1 billion financing and construction of the Henvey Inlet Wind Farm

  • TC Energy

    TC Energy in the sale of its Ontario solar portfolio to Axium Infinity Solar LP for approximately $540 million

    • Pattern Energy Group Inc. – Investment of US$60 million in Pattern Development and strategic relationship with PSP Investments.
    • iCON Infrastructure in its agreement to acquire Capstone Infrastructure for $480 million
  • Find More

  • Law Society of Ontario