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Claire Suni is a corporate lawyer with over a decade of experience in mergers and acquisitions. Her clients include top-tier strategic and corporate investors, developers, and operators in the renewable energy, sustainability and infrastructure sectors.

Claire handles deals involving investments in solar, wind, biogas, and other energy projects at all stages of development, construction, and operation. She also advises on large carbon removal offtake deals, representing corporate and institutional purchasers of carbon removals directly from the owners and operators of carbon capture and sequestration projects. In addition, her practice includes complex mergers and acquisitions, joint ventures, corporate restructurings and other corporate matters for clients operating in a range of other industries.

Prior to joining Greenberg Traurig, Claire was an attorney at international law firms in New York and Seattle.

Concentrations

  • Renewable energy project and portfolio transactions
  • Carbon dioxide removals and other sustainability transactions
  • Corporate mergers and acquisitions
  • Private equity

Capabilities

Experience

  • Represented a global technology company in the preparation and negotiation of contracts for the procurement of carbon dioxide removals from a wide variety of nature-based and engineered carbon dioxide removal projects in North America, South America, Europe, Africa, Australia, and Asia.°
  • Represented Capital Power Corporation in the acquisition from Atlantic Power Corporation of Frederickson Power L.P., the owner of a 50.15% undivided interest in a 250 MW natural gas-fired combined-cycle generating facility in Frederickson, Washington.°
  • Represented Brookfield Renewable, the listed renewable power company of Brookfield Asset Management, in its $810 million acquisition of a distributed generation development platform comprising 360 MW of operating distributed solar across nearly 600 sites throughout the U.S., with an additional 700 MW under development, from Exelon Generation Company.°
  • Represented Municipality of Anchorage in the $986 million sale of Municipal Light & Power to Chugach Electric Association, Inc.°
  • Represented BW Solar in its sale of two early-stage MISO Battery Energy Storage System (BESS) Projects to Spearmint Energy, a renewable energy and battery energy storage company.°
  • Represented BW Solar in its sale of twelve New York community solar projects to Catalyze, a clean energy transition company that finances, builds, owns and operates solar and battery storage systems.°
  • Represented Borrego, a leading developer, EPC and O&M provider to large-scale solar and energy storage projects throughout the United States, in its spin-off and sale of its solar and energy storage development business to ECP, a leading energy transition-focused investor.°
  • Represented an AI-backed mineral exploration company in the acquisition of certain exploration rights in Arizona and New Mexico.°
  • Represented Laird Norton Company in its acquisition of Wetherby Asset Management, creating a new firm with $15 billion in assets under management.°
  • Represented AGB Nielsen Media Research BV, a global data, measurement, and analytics company, in its acquisition of TVTY S.A., a leading TV attribution provider and ad monitoring company based in France.°
  • Represented Pike Street Capital in the acquisition by portfolio company PumpTech, LLC of Don Pedro Pump, a provider of fluid management systems in California.°
  • Represented Pike Street Capital in the acquisition by portfolio company PumpTech, LLC of Rockwell Engineering and Equipment, a provider of pumps and water management solutions in California and Nevada °
  • Represented Pike Street Capital in the acquisition by portfolio company PumpTech, LLC of certain assets from Pump Dynamics, a provider of flow management products, services and systems to Washington, Oregon and Arizona.°
  • Represented Milliman, a global consulting and actuarial firm, in its acquisition of Torch Insight, a healthcare data and analytics platform, from Leavitt Partners.°
  • Represented Milliman its acquisition of SkySail Rx, a pharmacy benefit pricing and contract management platform.°
  • Represented Milliman in its acquisition of health technology startup healthIO.°
  • Represented Milliman its acquisition of Pluritem Health, a clinical data platform. °
  • Represented Milliman its acquisition of OneRecord, LLC, an insurtech company with risk assessment solutions for life and health insurers. °
  • Represented Milliman in the sale of its insurance reserving practice, Arius, to Akur8 SAS and Akur8, Inc.°
  • Represented Rich and Rhine Wholesale, a full-line distribution company, in the sale of its assets to Harbor Foods Group.°
  • Represented Johnson & Johnson in its sale of Nizoral’s EMEA rights to STADA Arzneimittel AG; LATAM rights to Kramer Laboratories; and APAC rights to Alliance Pharmaceuticals Limited.°
  • Represented Mitsui in its acquisition of an additional 10% limited partnership interest in Penske Truck Leasing from subsidiaries of GE Capital Global Holdings.°
  • Represented Mitsui in the sale of Transfreight North America, a wholly-owned subsidiary that provides logistics services primarily to automotive manufacturers, to U.S.-based Penske Logistics.°
  • Represented Atlas Merchant Capital in its investment in Ascensus, the largest U.S. independent recordkeeping services provider, third-party administrator and government savings facilitator.°
  • Represented a global private equity firm in its acquisition of certain interests in a privately held global hedge fund administrator with over $1 trillion in assets under administration.°
  • Represented NJRetina on the formation of a Strategic Affiliation with NJEye and Quad-C Management.°
  • Represented American Securities and P2 Capital Partners in their $855 million acquisition of Blount International.°
  • Represented Tribune Media Company in its spin-off of Tribune Publishing Company.°
  • Represented Theragen, a privately owned medical device company, in its acquisition of Neurotech North America.°
  • Represented Evercore and J.P. Morgan as Financial Advisors to Akebia Therapeutics in its $1.3 Billion Merger with Keryx Biopharmaceuticals.°
  • Represented Deutsche Bank as Financial Advisor to Mallinckrodt in its $1.2 billion acquisition of Sucampo Pharmaceuticals.°
  • Represented Deutsche Bank Securities, as Financial Advisor to Eli Lilly, in Eli Lilly's $8 billion acquisition of Loxo Oncology.°
  • Represented Deutsche Bank as Financial Advisor to Mallinckrodt in the $1.2 Billion Acquisition of Sucampo Pharmaceuticals.°
  • Represented Credit Suisse as Financial Advisor to JACK Entertainment in its $780 million sale of JACK Cincinnati Casino and Turfway Park.°
  • Represented J.P. Morgan Securities, as Financial Advisor to FS Investment Corporation, in FS Investment Corporation's $8 billion merger with Corporate Capital Trust.°
  • Represented Guggenheim Securities as Financial Advisor to Menlo Therapeutics in Its Merger with Foamix Pharmaceuticals.°
  • Represented Guggenheim as Financial Advisor to Corium International in its $504 million Sale to Gurnet Point Capital.°
  • Represented TIAA Asset Management, a subsidiary of TIAA, in its offering of $1.0 billion of 2.950% senior notes due 2019 and $1.0 billion of 4.125% senior notes due 2024. The notes financed in part the redemption of the pre-acquisition debt of Nuveen Investments.°
  • Represented Envision Healthcare, a portfolio company of Clayton, Dubilier & Rice, in its $1.1 billion secondary offering of common stock.°
  • Represented Clayton, Dubilier & Rice, The Carlyle Group and Bain Capital as selling shareholders and HD Supply in the $897 million secondary offering of common stock of HD Supply.°
  • Represented Envision Healthcare in its offering of $750 million of senior notes.°
  • Represented Envision Healthcare in its $612 million secondary offering of common stock.°
  • Represented Clayton, Dubilier & Rice and The Carlyle Group as selling shareholders and HD Supply in the $550 million secondary offering of common stock of HD Supply.°

°The above representations were handled by Ms. Suni prior to her joining Greenberg Traurig, LLP.

Recognition & Leadership

  • Listed, Stand-Out Lawyers, Thomson Reuters, 2025
  • Listed, The Deal, Rising Stars, 2025
  • Listed, Best Lawyers: Ones to Watch® in America, Mergers and Acquisitions Law, 2024-2025
  • Listed, The Legal 500 United States, Recommended Lawyer – M&A: middle-market ($500m-999m), 2024
  • Member, Washington State Bar Association, 2021-Present
  • Member, American Bar Association, 2014-2020
    • American Bar Association, Vice Chair, Renewable, Alternative and Distributed Energy Resources (RADER) Committee, 2014-2016

Credentials

Education
  • M.P.H., Harvard School of Public Health
    • Board, Student Alliance for Global Health at Harvard
  • J.D., Harvard Law School
    • Submissions Editor and Primary Editor, Harvard Human Rights Journal
    • Executive Board, Advocates for Human Rights
    • Fellow, Chayes International Public Service Fellowship Program
  • B.A., magna cum laude, University of Washington
    • Phi Beta Kappa
Admissions
  • New York
  • Washington
Admitted in New York and Washington. Not admitted in Oregon.

Related Capabilities

Energy & Natural Resources Corporate Mergers & Acquisitions Renewable Energy