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Practice:
- Renewable Energy
- Oil & Gas
- Mergers & Acquisitions
- Energy & Infrastructure
Michael Vance Managing Associate
Houston
Michael represents clients in complex business transactions, including mergers and acquisitions, joint ventures, private equity investments, project development, commercial agreements and general corporate matters primarily in the oil and gas and renewable energy industries.
Calvin Vaughan Associate, Energy & Infrastructure
Washington, D.C.
Calvin Vaughan Associate
Washington, D.C.
His practice focuses on transactions in the energy and infrastructure sectors.
Andres Vega Managing Associate
Washington, D.C.
Andres Vega Managing Associate
Washington, D.C.
He regularly represents project developers and investors in energy project finance transactions, including tax equity and debt financing, M&A, joint ventures, project development and a broad range of corporate matters. His prior experience includes international and multijurisdictional financing and development of energy projects in Mexico and across Africa, including Equatorial Guinea, South Africa, Nigeria, and Egypt.
Practice:
- Energy & Infrastructure Sector
- Renewable Energy
- Infrastructure
- Energy
- Japan
Minako Wakabayashi Partner
Tokyo
Minako has significant experience advising international and domestic sponsors and developers on complex and innovative projects. She was called upon by the Japanese government in structuring the renewable Feed-in-Tariff scheme in Japan and prepared the government’s model contracts for specific contracts (power purchase contract/interconnection contract), which are a key component of the Feed-in-Tariff scheme in Japan. Recently, she has also been handling numerous corporate PPA projects.
She was appointed as Auditor of the Japan Wind Power Association (JWPA) in May 2022.
Minako practiced at Orrick’s New York office in 2004-2005. She also worked as a public prosecutor in Japan for four years and served as a member of the Tokyo Metropolitan Government Supervising Committee for Public Bidding (Tokyo-to Nyusatsu Kanshi Iinkai) for eight years. She is serving as Audit of Veritas In Silico Inc since March 2022.
Practice:
- Energy & Infrastructure
- Energy
- Infrastructure
- Renewable Energy
- Solar Energy
- Wind Energy
- Power
Rob Warfield Partner
New York
He has experience representing financial institutions, sponsors, investors, and lenders in energy and infrastructure financings, acquisitions, joint ventures and other transactions.
Prior to joining Orrick, Rob was a member of the legal investments team at a global investment firm in New York, where he supported private equity and credit investments across infrastructure and other asset classes. He also worked in private practice at leading international law firms.
Practice:
- Energy & Infrastructure
- Renewable Energy
- Energy Storage
Jason Warrington Managing Associate
Washington, D.C.
His practice focuses on project finance transactions in the energy and infrastructure sectors.
Practice:
- Renewable Energy
- Energy
- Energy & Infrastructure
- Responsible Business
- Nuclear
Alfred Weightman Partner
London
Alfred represents major corporate purchasers and developers in negotiating renewable energy PPAs. His advice helps buy-side clients to reduce their energy costs and meet their clean energy targets. He also advises developers in securing long-term project revenues by structuring and negotiating bankable PPAs. His experience covers all major European jurisdictions, including Spain, the Netherlands, Poland, France, Germany, Sweden, Italy and the UK.
Alfred’s experience also extends to grid connection arrangements, energy storage, energy regulation and other energy transition matters.
Prior to joining Orrick, Alfred was a Senior Legal Director at a leading solar developer and, before that, was the EMEA Region Lead for Energy at Amazon Web Services, the world’s largest buyer of renewable energy. He also spent nearly a decade at an international law firm, assisting clients in meeting their net-zero climate targets.
Practice:
- Energy & Infrastructure Sector
- Energy
- Infrastructure
- Renewable Energy
- Mergers & Acquisitions
- Tax
Mark Weitzel Partner
San Francisco
Mark has a finance, tax and corporate background, and focuses on structuring complex equity and debt investments, and negotiating investment, shareholder and joint venture agreements. He has a particular focus on tax and cash equity financing of renewable energy projects, including in the solar and wind space.
Mark is a recognized leader in the field. He is the former co-chair of Orrick’s Energy & Infrastructure practice, and has been named by Chambers as one of “America’s leading energy lawyers”, described by clients as “a standout.” He is also highlighted in The Legal 500 USA as a leading individual in the areas of energy: renewable/alternative and is highlighted in the conventional power category. Euromoney has recognized Mark as one of the “world’s leading project finance lawyers” and one of the “world’s leading energy and natural resource lawyers.” He has also been recognized by Best Lawyers in America for project finance law, by The Legal 500 as a leading project finance lawyer, and has been a Law360 Energy MVP. Mark is a frequent speaker on energy project and infrastructure investments.
Practice:
- Energy & Infrastructure Sector
- Energy & Infrastructure
- Energy
- Renewable Energy
- Offshore Wind
- Nuclear
- Infrastructure
- Wind Energy
- Solar Energy
- Power
- UK
Albert Yu Partner
London
Albert represents a wide range of clients, working with project sponsors, lenders, export credit agencies and funds on market-leading energy and infrastructure projects in Europe and Asia.
Prior to joining Orrick, Albert was a Managing Associate at a Magic Circle firm. Albert has also worked in-house for a large global mining company.
Paul Zarnowiecki Partner, Energy & Infrastructure, Renewable Energy
Washington, D.C.
Practice:
- Energy & Infrastructure Sector
- Energy & Infrastructure
- Renewable Energy
- Banking & Finance
- Mergers & Acquisitions
- Energy
- Infrastructure
Paul Zarnowiecki Partner
Washington, D.C.
Transactions on which Paul has advised include the development, financing, acquisition and divestiture of renewable and conventional power projects and other infrastructure assets in a broad range of commercial and corporate transactions. He has served as lead counsel on some of the most innovative and complex U.S. renewable energy transactions in recent years in both the wind and solar energy sectors.
He is recognized by Chambers USA and Chambers Global, where clients describe him as "highly committed to ensuring clients get excellent service" and "very commercially minded."