Peter Lillevand Senior Counsel, Mergers & Acquisitions
San Francisco
San Francisco
San Francisco
Peter served as the firm’s Chairman and Chief Executive Officer from 1986 to 1990 and as its Managing Partner from 1983 to 1986.
Londres
Stephen works with technology companies and the investors that back them. He is particularly interested in advising founders building exciting new businesses and is focused on providing innovative and pragmatic advice to his clients.
As part of a market-leading team at Orrick, who can provide a full stack of legal services and advice to clients in the technology sector, Stephen focuses on corporate advice, ranging from incorporation strategies through financing rounds, M&A and private equity transactions. He works closely with the rest of the team to cover share options, IP protection, commercial contracts, regulatory matters, employment issues and tax advice.
Managing transactions in an efficient and productive manner and providing clear and concise advice is at the core of Stephen's approach to work. Recognised as a “Recommended Individual” for Venture Capital in the Legal 500 UK 2024, Stephen actively engages with clients to understand the key issues and concerns in order to provide tailored advice that really adds value. Stephen is driven by being a trusted advisor to his clients, not just another service provider.
Stephen represents notable companies such as Stripe, Butternut Box, Vitesse, Graphcore, TrueLayer, Codility and LoopFX on an ongoing basis for financing and general corporate matters. He has also advised tech industry leaders such as Revolut and Scalapay.
While he has a significant company-side mandate, Stephen also advises many of the key investors in the market including Salesforce Ventures, ABN AMRO Ventures, Macquarie, BMW iVentures, Energy Impact Partners and Sony Innovation Fund on their respective investments in the UK, Ireland and across Europe.
Stephen is qualified in both England & Wales and Ireland (non-practising), having trained and qualified in a top-tier Irish law firm, and is committed to helping to build the Irish tech ecosystem.
Paris; Paris Tech Studio
Paris; Paris Tech Studio
Léa accompagne les startups et entreprises plus matures du secteur des technologies dans toutes les étapes de leur développement, de leur création à leurs opérations de levées de fonds et lors de leur éventuelle cession.
Léa assiste les entrepreneurs dans l’élaboration et la mise en œuvre de stratégies de gouvernance et de plans d’intéressement des employés personnalisés selon leurs besoins.
Elle est particulièrement intéressée par les secteurs de la DeepTech et de la MedTech.
En parallèle de son activité, Léa dispense des cours sur le capital-risque à l'EDHEC.
New York
Katherine represents clients in a wide range of complex litigation matters in both federal and state appellate courts. Her work spans a wide range of substantive areas, from contract interpretation and administrative law to novel questions of constitutional law and statutory interpretation. She maintains an active pro bono practice, focusing on issues of criminal justice and human rights.
Katherine rejoined Orrick after serving as a law clerk to Justice Sonia Sotomayor. Before joining Orrick, she clerked for Judge Robert A. Katzmann of the U.S. Court of Appeals for the Second Circuit and Judge Jed S. Rakoff of the U.S. District Court for the Southern District of New York. She also worked at Debevoise & Plimpton LLP on a range of commercial litigation and white collar matters.
Katherine graduated from Yale Law School, where she served was a member of the Allard K. Lowenstein International Human Rights Clinic and the International Refugee Assistance Project. She has written, advised United Nations officials and diplomats, and appeared in a documentary addressing the genocide of the Rohingya in Myanmar. At Orrick, her pro bono practice has focused on the rights of defendants in the criminal justice system in the United States.
Miami
His practice focuses on mergers and acquisitions, private equity investments, and securities transactions. He also counsels clients on corporate governance.
Santiago began his career at Willkie Farr in New York.
Los Angeles; Santa Monica
Los Angeles; Santa Monica
Alyssa represents companies in all stages of litigation — from pre-suit investigation, through trial, and on to appeals court. In 2023 alone, she was a key member of Orrick teams that won two jury verdicts, three ITC proceedings, and numerous IPRs and dispositive motions.
She draws upon her engineering degree from Harvey Mudd College to engage with technical professionals and quickly grasp new technologies. She brings experience with technologies ranging from medical devices, streaming media systems and software to projects in the aerospace, automotive, and nuclear energy industries. She also has experience in litigation under the Hatch-Waxman Act, successfully defending generic challenges to patents protecting blockbuster medical therapies. Most recently, Alyssa has been involved in both litigation and counseling involving the legal questions raised by the rapid growth of AI.
The Daily Journal recognized Alyssa as one of the Top Women Lawyers in California in 2023 and both Bloomberg Law and Daily Journal named her to their 40 Under 40 lists.
For Alyssa, IP protection is more than business; it’s personal. For more than a half-century, her family patented mechanical technologies that they developed into a thriving business, inspiring her love of science and technology as well as her desire to protect innovative ideas. Alyssa calls Southern California home, but remains loyal to the sports teams of her Bay Area childhood.
Orange County
Johannes's practice focuses on patent litigation, especially in the fields of electronics, circuits, computer and network systems, software, and telecommunications. He has litigated in district courts, the Patent Trial and Appeal Board, and the U.S. International Trade Commission. He also leverages his technical and operational experience in data-privacy and data-security matters.
Before joining Orrick, Johannes clerked for the Honorable R. Gary Klausner in the Central District of California. He assisted Judge Klausner on a wide variety of civil matters. In particular, he worked on many intellectual-property disputes involving patents, trademarks, copyrights, and trade secrets. Johannes began his legal career primarily as a patent prosecutor at one of the largest intellectual-property boutique firms in the United States.
Before becoming an attorney, Johannes worked for over 20 years as an engineer in high-tech and aerospace industries. He held increasing responsibilities and was last a manager and a senior principal engineer at one of the top two fabless-semiconductor companies in the world. His work in those positions had a direct and significant impact on virtually every chip of a one-billion-dollar product line.
A technical leader and a functional manager, he interacted regularly with upper management in engineering and marketing and worked closely with cross-disciplinary teams. His substantial engineering experience encompasses a wide array of technologies, from communication systems, digital-security systems, to hardware and embedded-software design. In addition to developing digital-security technologies, Johannes also set operational security policies for his engineering organization and developed a secure infrastructure which he led through a successful third-party audit.
New York
Marsha’s broad transactional practice includes advising clients on complex securities and financing transactions, including initial public offerings, follow-on offerings and other equity offerings, high yield and investment-grade notes offerings, tender offers and exchange offers, mergers and acquisitions and de-SPAC transactions, as well as corporate governance and SEC compliance and disclosure matters.
Prior to joining Orrick, Marsha was at Kirkland & Ellis LLP and Cahill & Gordon LLP.
Marsha has been recognized in Super Lawyers Rising Stars (2016–2023).
Milan
Francesco deals with labor law and industrial relations, assisting Italian and foreign clients, both in judicial and out-of-court matters, related to every aspect of the management of employment relationship, agency relationship and self-employment relationship in all its forms.
Milan
Chiara assists the team in advising companies and individuals in investigations in relation to white-collar crimes (such as anti-money laundering, financial crimes, corporate crimes, bankruptcy crimes, tax crimes, environmental crimes, occupational health and safety crimes).
Chiara participates in carrying out internal investigations aimed at strengthening the internal control systems of leading national and international companies.
Chiara also collaborates on an ongoing basis in advising major companies and corporate groups in managing potential compliance risks, in particular in relation to the Organisational, Management and Control Models adopted pursuant to Legislative Decree no. 231/2001.
Chiara has been appointed as member of Supervisory Body (Organismi di Vigilanza) of Italian companies.
Since November 2024, Chiara is a PhD student at Università Cattolica del Sacro Cuore of Milan (PhD in business, labour, institutions and criminal justice).
Since 2023, Chiara has been teaching assistant in Business and Corporate Criminal Law at Università Cattolica del Sacro Cuore of Milan.
Chiara graduated with honours from Università Cattolica del Sacro Cuore of Milan following a study period spent at the University of California - Berkeley.
Chiara is fluent in English, French and Spanish
Rome
Alessandro's activity focuses on European and competition law, European and Italian, with a particular focus with respect to FDI screening procedures and in State aid matters. He also focus on administrative law related matters, assisting Italian and foreign clients in the areas of public procurement, energy and environment, urban planning and construction and infrastructure, both in and out of court.
Prior to joining Orrick, he worked for an important Italian firm. He also worked as a Blue Book Trainee at the European Commission, DG Competition.
Alessandro graduated with a master’s degree in law at "Roma Tre" University in Rome. He has also earned an LL.M. in Competition and Innovation Law from LUISS School of Law in 2021.
He is qualified as a lawyer in 2020 and has been a member of the Rome Bar Association since 2021.
New York
A veteran antitrust litigator, Rob has litigated and counseled on high-profile antitrust matters on behalf of leading companies in a wide range of sectors, including litigated merger challenges, putative antitrust class actions, government antitrust investigations, and private actions against competitors. He has successfully litigated cutting-edge competition matters, including defending against allegations of algorithmic collusion and price-fixing through the use of software.
From late 2018 through early 2019, Rob completed a secondment at the litigation department of a major media company.
Rob maintains an active pro bono practice, where his work has focused primarily on benefits applications and appeals for low-income disabled veterans.
Prior to joining Orrick, Rob was an active-duty Army JAG officer, where he served as a Special Assistant U.S. Attorney, an administrative law attorney, and a special victims counsel, among other roles. As a Special Assistant U.S. Attorney, he first-chaired more than 10 trials in federal court, including two jury trials.