Bio

M. Breen Haire is a Partner in Simpson Thacher’s Corporate Department and Co-Head of the Firm’s Energy and Infrastructure Practice. Breen represents private equity investors and public and privately-held parties in negotiated acquisitions and dispositions, controlled auctions and investments. He works on transactions in the infrastructure sector, including in the energy, digital infrastructure and transportation industries. Breen’s experience in the energy sector includes representing operating companies and investors in the power, renewables and oil and gas exploration and production, midstream, oilfield services, contract drilling and petrochemicals industries.