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463965

Practice:

  • 复杂诉讼与争议解决
  • International Arbitration and Dispute Resolution
  • Antitrust & Competition
  • Life Sciences & HealthTech

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.

446124

Practice:

  • Renewable Energy
  • Energy
  • 复杂诉讼与争议解决
  • Public Finance

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.

740

Practice:

  • Technology & Innovation Sector
  • Compensation & Benefits
  • 雇员退休收入保障法(ERISA)与福利诉讼
  • 合资格退休计划与员工持股计划(ESOP)
  • 福利计划

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.

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Energy
  • Infrastructure
  • Public Finance

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.

449088

Practice:

  • Technology Companies Group
  • Technology & Innovation
  • Life Sciences & HealthTech
  • Mergers & Acquisitions

Josh Beser 合伙人

New York

As a partner in Orrick’s top 5 ranked Technology Companies Group, Josh Beser is the first call for high-growth company and venture investor clients. Focused on guiding startups from seed stage through late-stage financings and strategic exits, he brings the perspective of a former general counsel who has scaled e-commerce businesses from the inside. This includes helping Away, for whom he continues to serve as primary outside corporate counsel, raise over $200 million and achieve a $1.4 billion valuation.

Josh is particularly passionate about building high-growth companies in regulated environments, helping his clients synthesize a wide range of potential legal and regulatory issues to drive growth, product innovation, fundraising, expansion, and M&A, while navigating founder transitions and board dynamics.

In doing so, he draws on his Orrick colleagues' deep regulatory expertise across AI, digital health/healthtech, fintech, consumer and retail innovation, energy and infrastructure, gaming, space, life sciences and other verticals.

Josh works closely with founders, executives and boards in:

  • Digital Health and Health Tech – Partnering with Orrick’s healthtech regulatory team, Josh is primary outside counsel to digital health and healthtech startups at all stages, including telehealth platforms, AI/ML in diagnostics, and care delivery innovation.
  • Consumer Brands and Retail Innovation – As a former high-growth consumer brand General Counsel, Josh is uniquely positioned to understand and support high growth brands and the platforms supporting them across retail, logistics and fulfillment, such as Away, Studs, Skims, Blueland and Packsmith.
  • Fintech – Partnering with Orrick’s fintech and financial advisory team, Josh is primary outside counsel to high-growth fintech companies in areas such as consumer finance and embedded payments.

Josh also regularly advises leading VCs and strategic investors active in these markets.


“Working with Josh is different because it really feels like he has my back. I know I’m getting great, practical advice from someone who’s been there.”

— General Counsel, Late-stage consumer brand


Operator Insight. Founder-Focused.

Before joining Orrick, Josh served as General Counsel at two high-growth, late-stage startups where he built and led legal, compliance, people and operations functions. This hands-on experience gives him a deep understanding of startup dynamics and what it takes to scale responsibly.

He has served as a key leadership voice during periods of hypergrowth, board transitions, crisis response, and internal investigations — bringing valuable market-wide perspective and judgment to fast-moving situations.

  • Advised 25m Health on incubations, investments and strategic projects, including a joint venture in the consumer wellness/medical aesthetics space.
  • Advised Ataraxis AI, an AI-powered personalized medicine startup,since inception, including on its Series Seed and Series A financings and commercial and regulatory matters.
  • Provided product and corporate counsel to Alan Meds, a scaling telehealth company, including equity and debt financing matters.
  • Provided corporate counsel to SimpliFed, a scaling digital health company focused on virtual lactation consulting and women’s health.
  • Advised Misfits Market in growth financing and M&A matters.
  • Supported Crossbeam in its Series C financing and its merger with Reveal to build a cross-border go-to-market data platform.
  • Represented a late-stage fintech company on its role in the largest prepaid card program in the United States, as well as corporate and financing matters.
  • Represented Meadow, an education fintech, since inception, including in its Series Seed and Series A financings and commercial and regulatory matters.
  • Represented Studs in growth equity and debt financings and strategic growth initiatives.

Leadership & Community

Josh is active in New York’s tech and venture ecosystem as a mentor, panelist and investor. He is a frequent speaker on topics ranging from digital health innovation to scaling the legal function as a business driver.

455206

Practice:

  • Data Centers
  • Renewable Energy
  • 电力
  • 石油与天然气
  • Energy
  • Energy & Infrastructure

Ari Bessendorf 合伙人

Singapore

Ari’s practice cuts across sectors, including conventional power, renewable energy (solar, wind, geothermal, hydroelectric), infrastructure, oil & gas and mining throughout the United States and Asia. His combination of project development and finance experience allows him to advise clients on bankability considerations for development matters.

Clients commend him for being “meticulous on the finer details”, and “a firm but calming and amiable presence at the negotiating table.” They add that “he gained our trust” and has “a cost-effective approach and a drive to successfully close deals.”