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8858

Practice:

  • Finance Sector
  • Mergers & Acquisitions
  • Public Finance

Lynne T. Hirata Of Counsel

San Francisco

She also has extensive experience in public finance transactions as company counsel and bond counsel.

Practice:

  • Technology & Innovation Sector
  • Technology Transactions
  • Technology Companies Group
  • IP Counseling e due diligence
  • Proprietà intellettuale
  • Mergers & Acquisitions
  • Strategic Advisory and Government Enforcement

Daniel Yost Partner

San Francisco; Silicon Valley

Highly regarded for his expertise, Chambers USA has ranked Daniel for his expertise in Technology Transactions and noted that “His work is solution-driven and his positive personality helps both sides of a negotiation work towards the outcome.” Legal 500 describes his practice as “exceptional” and recommends the practice for its “high client service ethic and great commercial awareness." He is known for his ability to handle complex transactions for science-based technology companies, with work ranging from intellectual property and licensing to distribution agreements and cross-border collaborations, counseling clients on commercial law, copyright, licensing, marketing, patent, privacy, strategic alliances, trademark and trade secrets matters.

Daniel has represented companies in various industries, including biotechnology, cleantech, energy, consumer electronics, entertainment, hardware, internet, media, semiconductor, services, software, telecommunications and wireless. His energy clients include clients in the solar, biofuels, waste to energy and geothermal sectors.

Daniel has acted as key legal counsel in:

  • Manufacturing, distribution and sale arrangements for makers of software, chips, security devices, batteries and solar technologies, among others.
  • Technology transactions with universities, governments and non-profit entities.
  • Copyright, privacy and online pitfalls applicable to Internet companies.
  • Domestic and international collaborations for developers of pharmaceutical products, medical devices, semiconductors and software, among others.
  • Mergers, acquisitions, spin-offs and asset divestitures in a wide range of industries, including biotechnology, health databases, semiconductors medical software, entertainment, Internet browsers and e-commerce.
  • Open software source policy development and compliance.
  • IT and business process services agreements.
  • Venture capital investments in technology-based enterprises.

The former co-chair of both the Technology Transactions and Technology Companies Practice Groups, Daniel is a thought leader on technology transactions issues and programs that focus on the protection and exploitation of intellectual property, having advised on clients such as Weta Digital, Fulcrum BioEnergy, CelLink Corporation, Telenor, Luminar, and Motorola Solutions. He is regularly called up to speak about intellectual property and technology matters and has done so at UC Berkeley, Stanford and other universities and conferences. His work on incentivizing innovation has been published in major papers, including Forbes, the Daily Journal San Francisco and the San Jose Mercury News.

Daniel’s current volunteer work includes serving on the Board of Joint Venture Silicon Valley, the Advisory Counsel for UC Berkeley’s Center for Law, Energy and the Environment and California Environmental Voters. Daniel also advises state and local elected officials on policies to encourage the development and deployment of zero emissions technologies. Daniel’s prior volunteer work includes serving as Mayor and Councilmember in Woodside, California and serving as a founding Board Member of Peninsula Clean Energy – the community choice energy provider serving San Mateo County.

Practice:

  • Technology & Innovation Sector
  • Technology Companies Group
  • Mergers & Acquisitions
  • Governance aziendale
  • Fintech
  • Blockchain & Digital Assets

John Bautista Partner

San Francisco; Santa Monica; Silicon Valley

John focuses his practice on advising emerging companies and investors, and represents both public and private high-tech and life sciences companies in many areas, including corporate and securities law, venture capital financings, mergers and acquisitions, public offerings, public company representation and technology licensing.

The Recorder named John the “2019 Innovator of the Year” for his work as the chief lawyer on the Long-Term Stock Exchange, a U.S. Securities and Exchange Commission-approved exchange designed to change the paradigm of traditional stock markets by rewarding entrepreneurs and investors committed to long-term business strategies. Financial Times recognized John as one of the Top 10 Most Innovative Individuals of the Year in 2017, calling him “one of the most influential lawyers in the technology ecosystem of Silicon Valley.” He is ranked Band 1 by Chambers USA California, for Venture Capital and Chambers USA Nationwide, ranked him Band 2 for Startups & Emerging Companies.

John is a Board member and co-founder of the Long-Term Stock Exchange, which is creating a new stock exchange for public companies supporting long-term investors, as well as an advisor and co-founder of Clerky.com, a company automating legal work for early-stage companies. He is also recognized for his work with Y Combinator companies.

At Orrick, John serves as Lead Partner for Transactions and Lead Partner for Innovation & Technology.

Prior to joining Orrick, John was a founding attorney of Venture Law Group and served on the Executive Committee. John previously practiced at Wilson, Sonsini, Goodrich & Rosati. John also served as Mayor of the City of Cupertino, California and a council member from 1993-1997, where he helped build important public partnerships, including with Apple Computer, the Mid-Peninsula Open Space Preserve, and San Jose and California Water Companies.

Practice:

  • Technology & Innovation Sector
  • Finance Sector
  • Cyber, Privacy & Data Innovation
  • Litigation & IP
  • Processi
  • Antitrust & Competition
  • Supreme Court & Appellate
  • Difesa class action
  • Risoluzione contenziosi e vertenze complesse
  • Securities Litigation
  • Trade Secrets Litigation
  • Government Investigations and Enforcement Actions
  • Technology & Innovation
  • California Consumer Privacy Act

Michelle Visser Partner

San Francisco

Michelle’s dedication to these cutting-edge areas of the law and technology over the past 20 years has earned her recognition from Chambers for Privacy & Data Security Litigation and as an up-and-coming lawyer in Privacy & Data generally – where she is described as “equally capable in both compliance and enforcement elements of privacy regulation.”

As a litigator, Michelle is adept at developing novel legal arguments to protect clients in a world where innovation is outpacing regulation. She brings deep experience representing companies in regulatory investigations, data breach and privacy litigation involving the increasing web of statutes that pose statutory damages exposure to companies, such as the Illinois Biometric Privacy Act (BIPA), the California Consumer Protection Act (CCPA), and the California Invasion of Privacy Act (CIPA), and other complex commercial claims. As a crisis manager, she also represents companies in incident response and enjoys working with diverse groups of stakeholders to mitigate business and reputational risks and achieve positive outcomes.

Michelle resides in California with her three children.

740

Practice:

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

Eric Stephens Partner

San Francisco

Eric helps clients design and build successful renewable energy businesses by advising on how projects and portfolios large and small can maximize their value through well-informed negotiation, efficient diligence and acquisition techniques, and responsive and creative problem solving.

Eric has particularly deep knowledge in helping developers strategically procure the equipment and services necessary to develop, construct, commission, operate and sell renewable energy projects of all sizes, and in helping investors evaluate the development work of potential investments. Development and procurement managers excel at sourcing and pricing a project’s needs, and Eric can build on this by bringing these contracts to completion with deep market knowledge, in a way best suited to the client’s commercial objectives and so that they withstand the scrutiny of project investors, lenders and buyers. Eric balances work for utility-scale projects with the growing distributed energy generation and storage sector, both of which recently include negotiation of contracts to “safe harbor” equipment or construction activities to preserve higher levels of ITC or PTC. He has represented energy project developers, equipment suppliers and installers, publicly-owned utilities, private equity investors and other parties in developing energy projects from very early stages of securing technology and land/resource rights to buying and selling operating assets, and everything in between.

740

Practice:

  • Energy & Infrastructure
  • Renewable Energy
  • Mergers & Acquisitions

Kristin Seeger Partner

San Francisco

Her experience spans projects across the United States and Canada and includes award-winning transactions. She is recognized nationally as Chambers USA Band 2 for Projects: Power & Renewables: Transactional (2025) and as a Leading Lawyer: Energy-Renewable/Alternative Power by Legal 500. Clients describe her main qualities as "responsiveness, thoroughness and her understanding of the market" and as "bringing such experience to deals, it's very hard to fault her on anything." She "knows where the market is and makes strong deal points."

Kristin is a key member of Orrick's energy transition practice, which was recognized as Band 1 in Energy Transition by Chambers USA (2025). She also serves on Orrick's Board.

740

Practice:

  • Finance Sector
  • Fiscale
  • Tassazione internazionale
  • Mergers & Acquisitions
  • Structured Finance
  • Energy & Infrastructure
  • Derivatives

John Narducci Partner

New York

John has extensive experience in stock and asset acquisitions, including tax-free reorganizations. He has represented purchasers, sellers and lenders in structuring acquisitions and negotiating the tax aspects of stock purchase and asset purchase agreements. Many of these acquisitions involved cross-border transactions.

Working with issuers, underwriters and investment funds, John has advised clients on numerous securities offerings, including securitization transactions, tender option bonds and high yield debt. Such offerings involved issuers in more than 40 countries.

John regularly works on the restructuring of transactions, including structured financings, project financings and energy and infrastructure projects. He advises on the tax planning aspects of such transactions.

Mr. Narducci has been involved in the development of tax-efficient financial structures, particularly in the cross-border context. For example, he has created tax-efficient structures for several investment funds. He also advises several financial institutions with respect to derivatives transactions, including the tax aspects of ISDA Master Agreements.

He also works with regulated and unregulated participants in the energy market on financings and a wide range of other transactions. Some of these transactions involve rural electric cooperatives.

John also advises on the tax aspects of pass-through entities, project financings and a broad range of other matters. He worked on the sovereign debt restructurings of Bulgaria, Costa Rica, Croatia, Nigeria, Poland and Vietnam.

Practice:

  • Technology & Innovation Sector
  • Mergers & Acquisitions
  • Technology Companies Group

Dr. Sven Greulich, LL.M. (Cantuar), EMBA Partner

Düsseldorf

His clients include technology companies of all stages as well as venture capital and corporate venture capital investors. Together with an international and interdisciplinary team, he also supports scaleups and multinationals in their expansion projects, with a particular focus on cross-border transactions between Germany and the USA.

Sven’s goal is to build bridges for his clients between Germany, Silicon Valley, and other international technology hubs, helping them achieve successful growth in the global market. His legal and business background, entrepreneurial spirit, and experience from more than 400 financing rounds and M&A projects across various industries enable him to fully understand his clients’ strategic and commercial objectives and to develop creative solutions to achieve them.

Sven volunteers with entrepreneur groups at the WHU Otto Beisheim School of Management, the RWTH Aachen, the Technical University of Munich and the Karlsruhe Institute of Technology; he regularly lectures at the WHU and the RWTH incubation and innovation centers. In 2020, he launched the Founder Legal Boot Camp, a unique free-of-charge seminar program that educates aspiring founding teams from technical and business universities about all relevant legal pitfalls in the areas of company formation, financing, and the initial growth phase. Organized in collaboration with Germany’s leading startup universities, the Founder Legal Boot Camp now takes place three times a year in Düsseldorf, Munich, and alternately in Karlsruhe/Stuttgart.

Sven's work has been repeatedly awarded, inter alia

  • Chambers ranks him as one of the top 3 venture capital lawyers in Germany (2025);
  • the leading German market publication JUVE lists him as “frequently recommended” for M&A, private equity, as well as corporate advice and – since 2019 – ranks Sven as one of Germanyʹs top 15 attorneys for venture capital, the highest recognition for this category awarded by JUVE (2024/2025);
  • Legal500 Deutschland includes Sven as “frequently recommended” for M&A (mid-sized deals) as well as private equity (mid-sized deals) and ranks him as a “leading partner” for venture capital (2025); and
  • Handelsblatt/Best Lawyers list Sven as a Best Lawyer in the category Venture Capital (2025), and Sven also received their award "Venture Capital Lawyer of the Year – Western Germany" (2025); and
  • in the 2017 edition of its Innovative Lawyers Report Europe, the Financial Times named Svenʹs work to connect start-ups with Germanyʹs Mittelstand (mid-sized companies) a standout “for making bridges between Silicon Valley and Germany”.
740

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Energy
  • Infrastructure
  • Renewable Energy
  • Mergers & Acquisitions
  • Banking & Finance

Kyle Drefke Partner

Washington, D.C.

Kyle has represented clients in domestic and international financings, including syndicated credit facilities, private placements, and registered securities offerings. He has extensive experience in the development and structuring of long-term power purchase agreements with respect to thermal (nuclear, coal and natural gas) and renewable generation facilities. He has also represented clients in mergers and acquisitions (M&A), auctions, joint ventures, corporate restructurings and other general corporate matters.

Kyle has represented clients in various matters relating to the development, construction, ownership and operation of electric generation facilities in the United States, South America and Europe. His practice also includes the representation of clients seeking and obtaining substantial financing from the U.S. Department of Energy (DOE).

740

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Mergers & Acquisitions
  • Energy
  • Renewable Energy
  • Infrastructure
  • Banking & Finance
  • Restructuring

Thomas Glascock Partner

San Francisco

Tom’s practice has an emphasis on representing sponsors, developers, lenders and investors in a variety of energy and infrastructure financing transactions for both fossil fuel-fired and renewable energy projects, including solar, wind, energy storage, geothermal, landfill gas and biomass projects.

Tom has been recognized by Euromoney as one of the World’s Leading Project Finance Lawyers and one of the World’s Leading Energy and Natural Resources Lawyers, and he is listed as a leading financing lawyer in the International Financial Review. Tom has also been recognized by Chambers and the International Who’s Who of Business Lawyers as one of the leading project finance lawyers in the U.S. and is recognized in The Best Lawyers in America for Project Finance Law.

740

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Energy
  • Infrastructure
  • Renewable Energy
  • Mergers & Acquisitions
  • Fiscale

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
  • Renewable Energy
  • Banking & Finance
  • Mergers & Acquisitions
  • Energy
  • Infrastructure

Paul Zarnowiecki Partner

Washington, D.C.

Paul has extensive experience representing developers, investors, utilities and other strategic participants in the development, financing, acquisition and divestiture of renewable and conventional power projects and other infrastructure assets in a broad range of transactions. He has served as lead counsel on many innovative and complex U.S. renewable energy transactions in recent years, with a particular focus on the solar, wind, energy storage and clean tech sectors.

Paul is recognized by Chambers USA and Chambers Global, where clients describe him as “keenly aware of ongoing market developments” and knowing “what it takes to bring abstract project ideas from the drawing board into commercial operation.”

Paul also serves as the Office Leader for Orrick's 200-lawyer Washington, D.C. office.