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2569

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Infrastructure
  • Energy
  • Transportation Finance
  • Mergers & Acquisitions

Daniel Mathews Partner

New York

Dan advises on projects spanning the energy and infrastructure sector, including toll roads, rail, airports, ports, thermal and renewable energy generation, transmission infrastructure, telecommunications infrastructure, and water and waste facilities.

His key clients include major strategic and financial sponsors who have been involved in many of the largest and highest profile PPP and project development transactions over the past 30 years. Dan advises clients on Public-Private Partnerships, large-scale, complex project financings, and acquisitions and divestitures of projects and project portfolios, leading teams that have the depth and breadth to deliver excellence in every phase of a project, including development, construction, financing and operations, as well as providing leading M&A, restructuring and tax advice.

Dan has long been recognized as a leading practitioner in publications such as Chambers (every year since 2005), The Legal 500 and others. Clients describe him in Chambers as a “dean in the PPP space,” the “best in the business” and one client added that “he has an encyclopedic memory about all the deals in the market and a negotiating style that solves problems rather than creating them.”

423058

Practice:

  • Energy & Infrastructure
  • Energy
  • Solar Energy
  • Infrastructure

Henry McKenzie Associate

New York

His practice focuses on project acquisitions and financing, including debt and tax equity financing, in the renewable energy and infrastructure sectors. His infrastructure practice focuses on alternative delivery models (such as P3s) and Energy-as-a-Service transactions.

740

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Energy
  • Mergers & Acquisitions
  • Oil & Gas
  • Renewable Energy

Alessandra Grace Senior Associate

Houston

Alessandra advises clients on a wide range of project development and corporate transaction matters in the energy industry, with a particular concentration on renewable energy projects.  Alessandra has experience drafting and negotiating purchase and sale agreements, joint venture and joint development agreements, and other corporate governance agreements and documentation.

421082

Practice:

  • Mergers & Acquisitions
  • Energy
  • Technology Companies Group

Audrey Schricker Senior Associate

Seattle

Audrey advises a broad range of companies and investors on: buyout mergers and acquisitions, growth equity investments, reorganizations, joint ventures, and governance matters. Audrey’s practice focuses on advising clients in the energy, technology, and healthcare sectors. Audrey brings client-focused innovation and creativity to M&A transactions, developing tailored solutions to clients operating within the transforming energy and healthcare ecosystem and emerging climate tech industry.

397199

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Energy
  • Renewable Energy
  • Solar Energy
  • Wind Energy
  • Power
  • Mergers & Acquisitions
  • Banking & Finance
  • Public Power Financing
  • Infrastructure
  • UK
  • Offshore Wind

Evan Stergoulis Partner

London

Evan advises lenders, ECAs, institutional investors, renewable energy companies, investment firms and pension funds on financings, M&A, joint ventures and other strategic combinations. He brings considerable experience in wide range of renewable energy portfolio deals, as well as gas and power transmission and distribution projects and he has a market-leading offshore wind practice.

Chambers Global 2020 notes that clients say Evan is a “leading figure who has secured incredible and loyal clients because he does an excellent job.” He has also been named to The Lawyer’s Hot 100. and named to A Word About Wind's Top 100 Legal Power List.

223748

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Energy
  • Infrastructure
  • Renewable Energy
  • Power
  • Solar Energy
  • Wind Energy
  • Energy Storage
  • Mergers & Acquisitions

Les Sherman Partner

San Francisco

Chambers publications identify Les as a Leading Lawyer and report that clients say Les is an “icon in California in the renewables space”, has "notable expertise spanning solar and wind generation projects as well as battery storage development" and has “established a reputation as the go-to guy in California”.  Chambers also reports that Clients say Les has "a brilliant mind," "his finger on the pulse of the market" and "a very good eye for detail when thinking through practical agreements and understanding how it is all going to work in practice". Clients note "he is one of the best PPA lawyers in the business." Les also is recognized by Euromoney, The Legal 500 and The Expert Guides as a Leading Lawyer in energy project development, M&A and finance.

Les represents many of the industry’s leading companies on project development, financing and M&A transactions for solar, wind, energy storage, biomass, gas and similar projects. Les has led the Orrick team’s thought leadership in the growing battery and hydrogen energy storage market, has published numerous articles on the topic, and has served as lead counsel on many of the largest storage and renewables+storage transactions completed to date.

263990

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Energy
  • Infrastructure
  • Public Finance

Geoffroy Berthon Partner

Paris

Geoffroy advises on public contracts, particularly in the context of concessions and PPPs. He has been involved in projects relating to the financing, construction and operation of the Stade Vélodrome in Marseille; the Sud Europe Atlantique high-speed line; the Athletes' Village for the Paris 2024 Olympic Games; the Grand Paris Express and the offshore extension of the Principality of Monaco. He has also worked on several French highway (A412, A69, RCEA, A88, A41, A150), port (Calais, Cannes) and airport projects (Nice, Lyon, Beauvais).

In the renewables field, he acts alongside the French government (Ministry of Energy Transition) in calls for tenders for the construction of offshore wind farms, including floating wind turbines, and advises operators in the realization of biomass and geothermal projects, as well as investors in the context of "M&A" operations concerning wind and solar assets and methanization. He also has experience in hydroelectricity matters. He advises both sponsors and lenders and works regularly with public entities and governments. He also advises on the drafting and negotiation of corporate PPAs, acting for both energy producers and buyers.

Geoffroy Berthon is recognized by clients as "talented, dynamic and brilliant lawyer. He is a hard worker. His calm manner and attentiveness reassure as a client" (Legal 500) and as a Leading Partner by Legal 500 (EMEA 2025) in public law and energy.

Geoffroy holds a doctorate in public law, was a lecturer in public contract law at Sciences Po, and frequently published in both English and French.

440500

Practice:

  • Energy & Infrastructure
  • Energy
  • Renewable Energy
  • Solar Energy
  • Wind Energy
  • Mergers & Acquisitions
  • Energy Storage
  • Power
  • Responsible Business

Daniel Lee Counsel

Seattle

He represents corporate buyers, project sponsors, developers, and financial institutions in the negotiation of a broad variety of agreements:

  • Virtual and physical power purchase agreements, REC agreements, and other long-term offtake contracts for wind and solar;
  • Joint ventures, acquisitions, and divestitures of renewable energy project equity and assets;
  • Engineering, procurement, and construction agreements;
  • Major equipment supply contracts; and
  • Interconnection, site control, and other project development transactions.

In addition to project development, Daniel has assisted energy clients in environmental, energy regulatory, restructuring, and financing matters.

Prior to joining Orrick, Daniel was a Senior Counsel at Vestas Development and a Senior Associate in an international law firm’s energy practice group. In these roles, he negotiated transactions involving over 3.5 GWs of renewable energy projects in matters ranging from utility scale to community solar.

418023

Practice:

  • Antitrust & Competition
  • International Arbitration & Dispute Resolution

Leon Diederichs Associate

Düsseldorf

Leon is a German litigation and arbitration lawyer based in Düsseldorf, specializing in complex commercial disputes, post-M&A litigation, and antitrust damages claims. He advises and represents clients in the technology, infrastructure and energy sectors, handling high-value cases under German procedural law and major arbitration rules such as ICC, DIS, and VIAC. With extensive experience in cross-border litigation and antitrust law, Leon delivers strategic solutions for clients facing intricate legal and commercial challenges in Germany and internationally.

740

Practice:

  • Supreme Court & Appellate

Jeremy Peterman Senior Associate

Seattle

Jeremy represents clients from a wide range of industries in high stakes appeals across numerous subject areas. He has helped major tech companies, biomedical manufacturers, universities, and state governments successfully resolve appeals with novel issues involving intellectual property, employment law, administrative law, class actions, criminal law, sovereign immunity, and securities law.

Jeremy is especially experienced in intellectual property appeals where he employs his generalist background to simplify complex technology for generalist judges. He helped develop the successful appellate strategy in what legal observers have dubbed “The World Series of Copyright Suits.” He also draws from his administrative law background to develop novel strategies for clients to challenge the PTO’s administration of the inter partes review process.

Jeremy has authored merits briefs, cert. petitions, and briefs in opposition in the U.S. Supreme Court, dozens of briefs in both federal and state courts of appeals, and dispositive motions in trial courts. He also maintains an active pro bono practice.

Prior to joining Orrick, Jeremy served as a law clerk to Judge David Tatel of the U.S. Court of Appeals for the D.C. Circuit and to Judge David Hamilton of the U.S. Court of Appeals for the Seventh Circuit.

414128

Practice:

  • Mergers & Acquisitions
  • Private Equity
  • Corporate Governance
  • Restructuring

James Edwards Associate

London

James has experience working on acquisitions, disposals and investments, primarily in the technology sector.