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Orrick, Herrington & Sutcliffe LLP


19 ranked lawyersBand 1USA - NationwideUSA 2021 View ranking table
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Ranked Lawyers
chambers review
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Ranked Lawyers

Chambers Review

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.

What the team is known for

Offers clients a broad projects practice with particular strengths in PPP and renewable power developments. Takes a leading role representing sponsors and developers on complex PPP negotiations. Recognized for notable capability in transit and aviation PPPs. Well versed in issues surrounding tax equity planning in the renewables space. Possesses considerable prowess handling acquisitions and sales of single projects and portfolios. Also active on conventional power development.


Sources say: "They are client service-focused, practical and commercial, driven to get deals done and always looking for creative ways to do things."

One client says: "They have depth of experience and knowledge of how to structure projects, and provide actionable, practical advice."

Interviewees report: "They can give you an industry-wide perspective of the market, and beyond the pure technical role they are able to provide strategic advice."

Sources highlight: "They are quick and efficient, their advice is clear and they understand the need to be commercial."

Clients note: "They know the law and offer practical insights based on current industry thinking. They are also responsive and patient when explaining things to nonlawyers."

Interviewees report: "If there is a big development in renewables, they are in it somewhere; that coverage is incredibly valuable."

Sources reveal: "They won't just help you accomplish your goals but their input can help you figure out if you are approaching things in the right way."

Clients describes the team as "highly professional and highly responsive with a can-do mentality."

Interviewees say: "The team is very strong and the firm has a deep bench that can always get you the right answer."

Work highlights

Represented The Port Authority of New York and New Jersey in lease negotiations with terminal developers in the $7.4 billion redevelopment and expansion of John F. Kennedy International Airport’s Terminal One.

Advised Southwest Generation on the acquisition and financing of the Mankato Energy Center, a 720 MW natural gas-fired power plant in Mankato, Minnesota.

Advised Broad Reach Power on the project development of 15 utility-scale battery storage plant sites in Houston and Odessa, Texas which store approximately 10 MW of power at each site.

Represented Veolia in the $1.25 billion sale of its US district energy assets to private equity firm Antin Infrastructure Partners.

Notable practitioners

Blake Winburne is highly regarded for his work on the acquisition and sale of gas-fired, wind and solar assets at various stages of development. He also advises on complex financing and development matters.
"He has deep industry relationships and experience." "He is a leader in this space."

Bradford Gathright represents a strong choice for investors and developers in conventional and renewable energy infrastructure M&A. He has expertise across project and portfolio transactions.
"He's a capable and smart problem solver." "He has great market knowledge."

Christopher Moore provides clients with top-tier tax equity and other project financing counsel.
"He is very commercial, he knows what the issues are and has a pragmatic approach to getting deals done." "He is able to pull together a lot of industry knowledge and he has good relationships with other firms, which allows you to easily break through tensions in negotiations."

Dahl Thompson has notable expertise in the sale and acquisition of conventional and renewable power assets and portfolios at all stages of development.
"He has a really broad knowledge of all aspects of renewables deals in the US. Dahl is also very easy to talk to and great at giving advice."

Daniel Mathews has an impressive track record of representing lenders, sponsors and investors on a broad array of PPP projects, particularly in the transportation and energy sectors.
"Dan is a veteran of PPP; he knows the assets inside out. He has a very calm stye, gives clear advice and offers solutions." "He is a dean in the PPP space."

Eric Stephens has particular strengths in the financing and development of distributed solar projects as well as energy storage solutions, both standalone and paired with generation assets. He has further expertise in advising on the structuring and negotiation of PPAs and EPC agreements.
"He strikes the balance between protecting his clients' interest and looking for common ground with counterparties. Eric is also very efficient, creating a tremendous amount of value with succinct and simple solutions."

Giji John has considerable experience in the structuring and negotiation of PPAs and other offtake agreements alongside various contracts supporting the development and operation of renewable energy infrastructure.
"His ability to get to the bottom of an issue very quickly is impressive." "He always provides thoughtful advice on things that could be a potential risk down the road."

John Cook is sought after for his expertise in the sale and purchase of renewable projects. He offers clients the benefit of a broad corporate practice. "John is an excellent negotiator, and is masterful at handling complicated points while not getting lost in the details." "He excels at identifying simple solutions to complex problems and has a strong grasp of sophisticated commercial issues."

Kristin Seeger has expertise in handling sales and acquisitions of renewable energy projects and platforms, with particular strengths in assisting with utility-scale solar transactions.
"She is solutions-orientated, super smart, experienced, efficient and really easy to work with."

Leslie Sherman has notable expertise spanning solar and wind generation projects as well as battery storage development. He is commended for his work advising clients on the structuring and negotiation of PPAs.
"He has his finger on the pulse of the market and has a very good eye for detail when thinking through practical agreements and understanding how it is all going to work in practice. He is also good at identifying issues that could present a problem down the road."

Mark Weitzel has substantial experience working advising prominent clients on the financing and development of power generation projects spanning both the conventional and renewables sectors.
"Mark is smart, pragmatic and effective." "He is very calm and professional, which helps with sticky negotiations and bridging gaps."

Matt Archer 's broad practice encompasses both the development and A&D of assets in the renewable space.
"He is very good at achieving his clients' goals."

Matthew Neuringer regularly assists private developer and public sponsor clients with the project financing of PPP projects in the transport and education sector.
"He is smart, organized and responsive and offers really good insight on key issues." "He is an encyclopedia of PPP and he does an excellent job of leading tricky conversations and getting to a point where all parties agree." 

Paul Zarnoweicki is recognized for his work supporting sector clients on renewable and battery storage projects.
"He is a fantastic communicator, is very proactive and has seen a really wide range of deals.""He is very client service-oriented."

Thomas Glascock has considerable experience advising clients engaged in renewable energy projects. He is at home working on both solar and wind financings.
"He is pragmatic and wants to get the deal done." "He is extremely efficient."

Vincent Casey represents both sponsors and lenders in sophisticated PPP infrastructure projects.
"Vincent is very knowledgeable, on top of potential issues and comes up with solutions." "Vincent is great at explaining complicated issues so that everybody can understand them. He also has a high level understanding of the goals in any given project."

Young Lee has a stellar reputation for her handling of transportation sector PPP. She provides expert representation in the development and financing of high-value and sophisticated infrastructure projects.
"She is fantastic, one of the best lawyers I have ever worked with - if I had a difficult problem to solve I can't think of anyone I would rather have than Young." "She is great with clients, very insightful and brings a lot of practical experience to deals."

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Orrick, Herrington & Sutcliffe LLP


51 West 52nd Street

New York

New York



View Firm Profile

Ranked Lawyers

Chambers Research is conducted by 200 Research Analysts, across 200 jurisdictions and provides nearly 6,000 rankings tables. Annually we collect hundreds of thousands of responses from clients, the majority via in-depth interview. Learn more about our methodology.

USA - Nationwide


Blake H Winburne
Band 3
Mark P Weitzel
Band 2
Matt Archer
Band 4

Projects: Power & Renewables: Transactional

Blake H Winburne
Band 1
Bradford Gathright
Band 1
Dahl Thompson
Band 2

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