People

Andrew W. Miller Senior Associate

San Francisco

As a Senior Associate in Orrick’s Technology Companies Group, Andrew leverages his experience as a general counsel, operator and investor to guide clients through all stages from startup to exit. He is a trusted advisor on board governance, venture capital transactions, general employment and commercial matters, conflict resolution, mergers & acquisitions and public offerings. Andrew also counsels venture funds in structuring deals and assists them in identifying and managing the various risks associated with their investments.

 
Prior to re-joining Orrick in 2022, Andrew was employee number 2 at a venture-backed food technology/CPG startup where, in addition to acting as General Counsel, he established the finance, accounting, HR and operations management functions of the company and served on the executive management team responsible for defining and executing the company’s strategic initiatives.

Andrew began his legal career as an associate with Orrick’s Technology Companies Group in 2016 and is the recipient of the Firm’s 2019 Alan Talkington Mentorship Award. He also has experience working for venture funds and technology startups and is an active angel investor.

 
Andrew lives in Colorado with his wife, daughter and labradoodle. In his spare time, you can often find him hiking, fly fishing and skiing.

Jamie Moore Partner

Londra

Jamie acts for both early and late stage companies in intellectual property rich sectors and those who invest in them, including some of the most active venture capital funds, corporate or individual investors.

Jamie has a passion for disruptive technologies, innovation and entrepreneurial business. He has acted on countless transactions across a broad range of sectors both in the UK and internationally, but is most known for his experience in acting on investments into fintech and Artificial Intelligence companies.

Jamie has deep knowledge of the practice area in which he operates and market trends, which he leverages to provide clear and concise advice on a range of corporate issues taking high growth technology companies from start-up through to exit.

He presents on corporate law and venture capital to clients and at seminars in the City, including practitioners’ conferences on practical legal issues in venture capital transactions and SEIS/EIS investments.

An active participant in the venture capital community, Jamie Moore has contributed to industry standard form documentation, acted as a mentor for various Seedcamp portfolio companies and hosted office-hours for the Barclays' TechStars cohort.

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.

Nico Neukam Partner

Düsseldorf

His experience spans various industries, with a particular focus on advising companies in the growth and financial services sectors, often with an international scope.

Nico is listed by Legal 500 as a "Rising Star" and a "Recommended Lawyer" in tax law. His clients appreciate his forward-thinking solutions, which he develops proactively and in consensus with the tax authorities to ensure the best outcome for his clients.  

Nico Neukam joined Orrick in April 2024 after working for another international law firm for many years.

KT Nguyen Associate

Seattle

KT assists these companies with their legal needs as they expand, with a focus on corporate governance and venture financing. He also represents venture capital firms seeking to invest in these high growth companies.

KT graduated from the University of Washington School of Law, where he served as a Managing Editor of the Washington Law Review. He also was a member of the Entrepreneurial Law Clinic, where he advised entrepreneurs on early stage general corporate and intellectual property matters.

Prior to attending law school, KT was a graduate student researcher at the University of California, San Francisco. During grad school, he also worked in the technology transfer office where he helped to consult with inventors within the university to assess the patentability and commercialization prospects of their inventions.

Lauren Nilles Associate

New York

Lauren also represents investors and venture capital firms in their investments in technology companies. 

Prior to joining Orrick, Lauren was an associate in the Corporate Group at Wilson Sonsini Goodrich & Rosati in New York. 

Mike O'Donnell Partner

Silicon Valley

Michael applies his broad experience in venture capital financings, public offerings, mergers and acquisitions, strategic alliances, technology licensing, and corporate spin-out transactions to each engagement. He has undertaken over 300 venture capital financings raising an estimated $7 billion for his clients, recently assisting Auris Health to raise over $650 million in financings before its sale to J&J for up to $5.75 billion.

He also brings extensive experience negotiating strategic alliances, representing clients in significant collaborations with GSK, Amgen, Schering-Plough, J&J, Daiichi, Astellas, King Pharmaceuticals, and most recently Pfizer, Merck, Baxter and Dainippon Sumitomo Pharma Co., Ltd.

Michael was the lead lawyer on the initial public offerings for Illumina, Neurocrine Biosciences, Cytokinetics, Pain Therapeutics, NeurogesX, Sequana Therapeutics, Ciphergen Biosystems, Argonaut Technologies, and Microcide Pharmaceuticals.

Michael was also the lead lawyer responsible for negotiating many notable biopharmaceutical spin-outs, including Onyx Pharmaceuticals (Chiron-Cetus), Tularik (Genentech), X-Ceptor (Ligand Pharmaceuticals), Metabasis (Gensia Sicor), and as well on the reverse merger of Transcept Pharmaceuticals with Novacea, creating a new publicly traded entity.

Anna O'Kelly Managing Associate

Londra

Anna has experience working with global companies on a wide variety of privacy, cybersecurity and data protection matters. She has a particular interest in emerging technologies and their intersection with ethical and social issues associated with her practice.

Anna has contributed a number of articles and thought leadership pieces on current data protection, privacy and information law issues.

Yumiko Ohta Partner

Tokyo

Yumiko also has knowledge related to international trade such as customs rules and export controls.

Before joining Orrick, Yumiko was an associate at Tanabe & Partners and advised clients in corporate transactions and employment law as well as represented clients in civil and family cases. She has experience serving as a statutory auditor for Japanese corporations. Prior to practicing law, she worked at Mitsubishi Corporation for seven years. While there, she was involved in LNG projects and other global business.

Carl Oldenbourg Associate

Monaco

He advises start-ups and scale-ups on their foundation, financing rounds and growth phases as well as on internationalization projects. He also advises VCs and corporate VCs on their investments.

Before starting his legal practice, he also worked as a trainee lawyer for a U.S. law firm in its San Francisco office.

Jake Ornstein Partner

New York

Jake provides strategic advice and counsel to startup founders and high-growth technology companies, as well as venture capital and other private equity funds.

He has broad experience in corporate and transactional matters, including venture capital financings, mergers and acquisitions and corporate formation and governance matters. He works closely with founders and technology company clients from a wide variety of industries to provide outside general counsel services and strategic business insights.

Jake also works extensively with venture capital and other private equity funds in their investment activities in the US and internationally, including early-stage to growth equity financings, mergers and acquisitions and secondary liquidity transactions.

Onur Öztürk Counsel

Monaco

He regularly advises founder teams on the establishment of a two-tier U.S./German holding structures, be it in connection with their admission to a U.S. accelerator or be it for better access to early-stage financing opportunities in the richer U.S. funding ecosystem.

During his legal training, Onur had been with the M&A practice of a Big Four accounting firm and the legal department of a major German technology company in Germany and Canada. In 2022, Onur worked from our San Francisco and Menlo Park offices for three months to take a deep-dive into the Silicon Valley's start-up ecosystem.