San Francisco
He advises clients on a wide variety of matters, including power purchase agreements, project financings, project acquisitions and sales, and energy regulatory issues.
Before practicing law, Ian helped leading companies and governments navigate their sustainability goals as a management consultant. As a law student, he served as a law clerk at the Federal Energy Regulatory Commission and at the California Public Utilities Commission.
San Francisco
She advises clients on a variety of matters such as power purchase agreements, project financing agreements, real estate agreements, and energy regulatory issues.
As a law student, Renee served as a law clerk for the California Public Utilities Commission and the San Francisco City Attorney's Office.
San Francisco
As Chief Practice Officer of the Strategic Advisory & Government Enforcement Business Unit, which encompasses attorneys with litigation, regulatory, transactional and legislative policy backgrounds in 18 Orrick global markets, Amy advises on the strategic planning, operation and management of the Unit. Her responsibilities include oversight of the Unit's financial performance, advancement of the Unit’s strategic initiatives, business planning and execution.
Amy's practice focuses on the representation of public companies, directors and officers in securities class actions, SEC and DOJ investigations and enforcement actions and shareholder derivative actions. She has extensive experience in litigation involving compliance breaches of fiduciary duty and securities law violations, and she has conducted dozens of corporate investigations of all types all over the world.
Amy has represented the following companies and/or individuals associated with the following companies: McKesson Corporation, Brocade Communications Systems, Inc. and Olympus Corporation.
San Francisco
San Francisco
Karen focuses on litigation that crosses the boundaries between traditional legal practices, and therefore requires inventive and strategic approaches. These solutions, tucked in the creases between law and industry, are why leading technology and Fortune 500 companies hire Karen to resolve their most complex litigation matters.
Over the past 36 years, Karen has first-chaired state and federal trials, and arbitrated more than a dozen disputes. She has managed intellectual property and commercial disputes for companies such as Oracle, NVIDIA, Netflix and VMWare.
In addition to her legal background, Karen’s relationship management skills give her clients a significant advantage. She knows how to pull together and lead the best team, from multiple disciplines within Orrick, and often involving multiple law firms. Able to unite what were, and will be, competing firms into a single powerful unit takes a special type of leadership, one which Karen has demonstrated time and again.
Houston
Andrew concentrates his practice on corporate governance, securities law compliance and various capital markets transactions, including initial public offerings, notes offerings, preferred and follow-on offerings, exchange offers, tender offers, redemptions and consent solicitations. He also has significant experience in transactions involving special purpose acquisition companies including initial public offerings and de-SPAC transactions.
Seattle
Bailey focuses on capital markets transactions, including public and private offerings of debt and equity securities, and on corporate governance and securities law compliance matters.
She also maintains an active pro bono practice. She represents several high-profile international nonprofits focused on international conflict zones, refugees and war crimes. A particular area of focus for her is on Ukraine.
Washington, D.C.
Maria's previous experience as a member of the Mergers and Acquisitions group is instrumental in her reviews of the trade aspects of various M&A and other cross-border transactions.
Maria draws upon her experience in Washington, D.C., Moscow (Russia) and Almaty (Kazakhstan) to approach her work with a broad perspective on international trade-related and other matters. Prior to joining Orrick, Maria worked at the Office of the General Counsel of a multilateral development bank, handled tax and legal matters at one of the Big Four accounting firms, and oversaw the design and implementation of an export compliance program for an international development firm and a U.S. government contractor.
Washington, D.C.
Having returned to private practice, Anna focuses on merger clearance and litigation, government conduct investigations, and antitrust counseling and compliance.
During her time at the FTC from March 2020 to September 2022, Anna advised on merger and anticompetitive conduct investigations and enforcement actions across a wide range of sectors, including tech, pharmaceutical and life sciences, healthcare, defense, oil & gas, retail, and consumer goods. She also advised on litigation and appellate strategy, the FTC’s advocacy through amicus briefs, and other cutting edge competition policy matters, such as, merger policy, digital platforms, intellectual property, and nascent competition in innovative industries.
Prior to joining the FTC, Anna was a senior associate in private practice where she focused on antitrust litigation, government conduct investigations and compliance, and the antitrust aspects of mergers, acquisitions, and joint ventures. In litigation, Anna has experience defending high-profile transactions against government challenge from the FTC and the United States Department of Justice Antitrust Division.
Paris
Marc advises investment funds, industrial groups, listed companies, and startups, both French and international, on all aspects of business law, particularly in the context of acquisitions, disposals, mergers, reorganizations, and strategic partnerships.
He is particularly active in the infrastructure, renewable energy, and new technology sectors, both in France and internationally.
In 2025, the international guide Legal 500 EMEA named him in the Key Lawyer category in Private equity: LBO and commented "high-quality deliverables; clear, didactic communication; strong proposals; proactive" and "serious while being relaxed in interactions, appreciable in the execution phase under pressure".
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:
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
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.
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.
Houston; Austin
Houston; Austin
In public finance matters, Cathleen has served as bond counsel and special tax counsel for a variety of transactions, including health care facilities, multifamily housing, airport, ports, transit authorities, non-profit organizations, public utilities, hospitality projects, as well as tobacco revenue securitizations. In addition to tax-exempt financings, Cathleen also represents clients in IRS audits and non-profit corporation tax matters.
New York
She has served as bond counsel, underwriter’s counsel and borrower’s counsel for financings on behalf of school districts, municipalities, colleges and universities and housing projects.
Prior to joining Orrick, Leila practiced in a Chambers recognized public finance group at another firm.