People

Jesse Beringer 高级律师

Washington, D.C.

Jesse routinely handles all aspects of civil and class action litigation, including arbitration and trial. She applies her knowledge of the federal rules and the discovery process to litigation matters across a wide array of industries—including technology, energy, and healthcare—from the outset to think strategically and pragmatically with clients about how to obtain the best result in each circumstance.

Recently, Jesse was the lead associate on the trial team in client Zillow Group, Inc.’s successful defense against false advertising litigation in the Western District of Washington, REX—Real Estate Exchange, Inc. v. Zillow Group Inc., where the jury delivered a full defense verdict.

Jesse also has substantial experience concerning mergers and acquisitions and competition-related investigations before the DOJ and FTC, including compliance with onerous Second Request merger investigations.

Prior to joining Orrick, Jesse was a litigation associate in the Washington, DC office of another international law firm.

Olivier Bernard 合伙人

巴黎

Olivier advises French and international financial institutions, insurers, funds and other alternative capital providers, as well as borrowers, on structured finance, debt capital markets and securitization transactions, in relation to a variety of assets, including real estate, transportation fleets and infrastructure.

He has been involved on a number of groundbreaking multi-jurisdictional transactions, privately or publicly placed.

Before joining Orrick in 2016 as a partner, Olivier was counsel in the finance department of Freshfields Bruckhaus Deringer.

Carsten Bernauer 合伙人

杜塞尔多夫; 慕尼黑

A special focus is on the comprehensive support of start-up technology companies and their investors. In this context, he accompanies his clients through all stages of growth with the aim of providing fast and efficient support in the implementation of their growth plans and investment strategies.

His clients benefit from his extensive experience in structuring, managing and coordinating complex transactions, including all other advisors involved in the transaction. In international transactions, he has access to Orrick's comprehensive technology, private equity and venture capital platform.

Carsten Bernauer also advises on national and international corporate transactions, in particular in the field of technology, as well as on corporate restructurings.

After many years working for an American and an English commercial law firm, Carsten Bernauer joined Orrick's Düsseldorf office in 2019.

Lauren Bernstein Counsel

New York

Lauren’s practice spans the full spectrum of dispute resolution, from pre-litigation counseling and strategy development to trial and appeal in high-profile antitrust and complex commercial litigation matters. She has worked with clients to evaluate and navigate potential disputes and assess opportunities to settle or negotiate a resolution ahead of litigation. Additionally, she helps clients develop robust dispute resolution strategies at the transactional stage, advising on dispute resolution clauses and positioning clients for favorable outcomes in potential future disputes.

Lauren has extensive experience representing clients in the life sciences industry in disputes arising from drug development, licensing, and joint ventures, and has defended clients in multi-billion dollar arbitrations and antitrust litigation, including multidistrict proceedings.

Lauren is dedicated to giving back to her community through her pro bono practice. She has been instrumental in providing legal advice and support to pro bono clients related to reproductive rights, including securing a preliminary injunction in North Dakota blocking the state’s ban on abortion, which was affirmed unanimously by the North Dakota Supreme Court. She also is an active member of her local synagogue in New York, including by serving on the membership committee.

Charlotte Berrat 律师

巴黎

Charlotte Berrat is involved in public contracts, in particular concession contracts and public-private partnerships for major projects (airport, port, motorway, building, telecommunications). She assists consortiums in the award of these contracts, from the bidding phase to the post-award phase.

She advised the winning consortium for the concession contract to operate Beauvais-Tillé airport (near Paris), as well as a bidding consortium for the public service contract for the lines 16 and 17 of the Grand Paris Express (the new metro linking the main residential and business districts of the suburbs without passing through Paris).

Charlotte Berrat also has experience in the energy sector and in environmental law. She regularly advises operators on complex issues relating to connection to electricity distribution and transmission networks. She has also participated in drafting and negotiation several corporate power purchase agreements (PPAs), representing both producers and buyers depending on the transaction.

Charlotte Berrat also advises operators, sponsors and lenders on project development and M&A transactions for wind and solar assets, both in France and internationally.

Her practice also covers all regulatory aspects related to regulated sectors such as telecommunications, transport and energy.

Charlotte Berrat also handles litigation in these sectors.

Prior to joining Orrick, Charlotte gained significant experience in the public and energy law teams of several international law firms and a public transport operator.

William Berry 高级顾问律师

旧金山

William also has substantial experience with the employee benefit aspects of sales and acquisitions of businesses (including bankruptcy transactions), the restructuring of defined benefit pension plans, the defense of ERISA class action litigation, and public pension plan matters.

His clients include a wide range of large and medium-sized corporations, as well as individual and public clients. He also provides tax and retirement planning advice to many of Orrick's corporate clients.

William has been a frequent lecturer on employee benefits and related individual tax and fiduciary topics for the American Law Institute-American Bar Association; California Continuing Education of the Bar; the International Foundation of Employee Benefit Plans; the Practicing Law Institute; the Western Pension & Benefits Conference; various Bay Area Estate Planning Councils; and other organizations.

William became a senior counsel in 2013 after having been an Orrick partner since 1999.  Before joining Orrick, William was a partner at the law firm of Pillsbury Winthrop LLP in San Francisco.

Geoffroy Berthon 合伙人

巴黎

Geoffroy advises on public contracts, particularly in the context of concessions and PPPs. He has been involved in projects relating to the financing, construction and operation of the Stade Vélodrome in Marseille; the Sud Europe Atlantique high-speed line; the Athletes' Village for the Paris 2024 Olympic Games; the Grand Paris Express and the offshore extension of the Principality of Monaco. He has also worked on several French highway (A412, A69, RCEA, A88, A41, A150), port (Calais, Cannes) and airport projects (Nice, Lyon, Beauvais).

In the renewables field, he acts alongside the French government (Ministry of Energy Transition) in calls for tenders for the construction of offshore wind farms, including floating wind turbines, and advises operators in the realization of biomass and geothermal projects, as well as investors in the context of "M&A" operations concerning wind and solar assets and methanization. He also has experience in hydroelectricity matters. He advises both sponsors and lenders and works regularly with public entities and governments. He also advises on the drafting and negotiation of corporate PPAs, acting for both energy producers and buyers.

Geoffroy Berthon is recognized by clients as "talented, dynamic and brilliant lawyer. He is a hard worker. His calm manner and attentiveness reassure as a client" (Legal 500) and as a Leading Partner by Legal 500 (EMEA 2025) in public law and energy.

Geoffroy holds a doctorate in public law, was a lecturer in public contract law at Sciences Po, and frequently published in both English and French.