Frederick J. Lark - McDermott Will & Emery


Frederick (Fritz) J. Lark advises clients on M&A transactions, with a focus on energy, utilities and digital infrastructure. He represents infrastructure funds, utilities and other investors in public and private company mergers, acquisitions, joint ventures, equity investments, and debt and hybrid securities issuances among other transactions. Fritz has experience advising clients in transactions across a variety of sectors, including energy, power and utilities, insurance, financial services, manufacturing, chemicals and technology.

Additionally, Fritz advises clients on corporate governance and disclosure issues under the federal securities laws and exchange rules, as well as on general corporate matters.


  • Advised Brookfield Infrastructure in its $4.1 billion sale of its wholly owned North America district energy business, Enwave, through two separate transactions which were entered into simultaneously.  Ontario Teachers’ Pension Plan Board and IFM Investors acquired 100% of Enwave’s Canadian business and QIC Limited and Ullico Inc. acquired 100% of Enwave’s U.S. business.*
  • Advised Argo Infrastructure Partners LLC in its $514 million acquisition of Macquarie Infrastructure Corporation’s Hawaii businesses, which comprise a combined regulated gas utility and unregulated distributor of propane and several smaller businesses, including controlling interests in two solar facilities.*
  • Advised Argo Infrastructure Partners in its $500 million equity investment in TierPoint, a leading provider of secure, connected data center and cloud solutions, making Argo the single largest equity investor in TierPoint.*
  • Advised an affiliate of Brookfield Asset Management in a strategic investment with Landmark Infrastructure Partners LP to form a joint venture to invest in core telecommunication, renewable power and other infrastructure assets.*
  • Advised Argo Infrastructure Partners in the acquisition of interests in Hudson Transmission Partners, LLC the owner of a 660 MW HVDC subsea electric transmission system connecting PJM to NYISO from Ares EIF and Starwood Energy Group Global, LLC.*

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  • Chambers USA, Nationwide: Energy: Oil & Gas (Transactional), 2024
  • Chambers USA, Nationwide: Energy: Electricity (Transactional), 2018-2023
  • Chambers Global, Energy: Electricity (Transactional) – USA, Band 4, 2022
  • Legal 500
    • United States Energy Transactions: Conventional Power, 2018
    • Energy: Regulatory, 2016
    • Project Finance, 2014
    • Energy: Transactions, 2013 and 2024
    • Project Finance: Advice to Sponsors, 2013

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  • American Bar Association, member
    • Infrastructure and Regulated Industries Section, Finance, Mergers & Acquisitions Committee, co-chair
  • New York State Bar Association, member


Rutgers University School of Law, JD, Order of the Coif, 1998
The Wharton School of the University of Pennsylvania, BS, 1992

New York
New Jersey