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431589

Practice:

  • Financial & Fintech Advisory
  • Strategic Advisory and Government Enforcement
  • Fintech

Susanna Sedrak パートナー

Santa Monica

Susanna assists clients by providing federal and state compliance advice, including completing surveys on various mortgage, consumer, and commercial-lending topics, such as requirements related to fair lending, debt collection, preemption, bank partnership models, interest on escrow, borrower correspondence and navigating communications with Limited English Proficiency borrowers. She analyzes lending and servicing practices in light of federal laws such as the Truth in Lending Act (TILA), Real Estate Settlement Procedures Act (RESPA), Equal Credit Opportunity Act (ECOA), and Fair Credit Reporting Act (FCRA), and their accompanying regulations, as well as assists with preemption determinations.

She is a co-founder of Winnow, an innovative platform that allows financial and lending institutions to generate custom state regulatory surveys and searches by business type, license, product and geographic market. She is also the Chair of the Webinars & Roundtables Subcommittee of the American Bar Association's Consumer Financial Services Committee and was a member of the of Mortgage Banking Association’s 2014 class of Future Leaders.
 

Prior to joining Orrick, Susanna was a partner at Buckley LLP. Before Buckley, she was an associate at Winston & Strawn.

740

Practice:

  • Energy & Infrastructure
  • Renewable Energy
  • Mergers and Acquisitions

Kristin Seeger パートナー

サンフランシスコ

Her experience spans projects across the United States and Canada and includes award-winning transactions. She is recognized nationally as Chambers USA Band 2 for Projects: Power & Renewables: Transactional (2025) and as a Leading Lawyer: Energy-Renewable/Alternative Power by Legal 500. Clients describe her main qualities as "responsiveness, thoroughness and her understanding of the market" and as "bringing such experience to deals, it's very hard to fault her on anything." She "knows where the market is and makes strong deal points."

Kristin is a key member of Orrick's energy transition practice, which was recognized as Band 1 in Energy Transition by Chambers USA (2025). She also serves on Orrick's Board.

Practice:

  • Technology Companies Group
  • Technology & Innovation
  • Artificial Intelligence (AI)

Ryan Selis オブ・カウンセル

Washington DC

An experienced corporate lawyer and strategic advisor, Ryan specializes in guiding high-growth companies and investors through the legal complexities of the startup ecosystem.  With deep experience in the technology sector, he provides comprehensive legal counsel to emerging companies throughout their lifecycle, including startup formation and structuring, venture capital financings, mergers and acquisitions, and corporate and securities law compliance. Ryan also has significant expertise in representing venture capital and private equity investors in financings, growth equity investments, and buy-side and sell-side M&A transactions.  His ability to navigate the fast-paced and evolving technology landscape has made him a trusted partner to clients building transformative businesses.

Ryan's company-side representations include Mercor (AI-powered hiring platform), Magic.dev (automated software engineering), Sapien (autonomous coworkers for financial analysis), Taktile (decision-making models for risk assessment by fintechs), Flower (federated AI framework), Paradigm (AI-powered spreadsheets), 15Five (continuous performance management platform), Certa (third-party vendor compliance and risk management), Uprise (AI-powered financial advisory optimization), Archer Faris (multi-agent security), Better Trucks (last mile carrier), Allium (enterprise blockchain data platform), Coda Project (acquired by Grammarly), Enter Health (AI-first revenue cycle management), and many other exciting startups.

Select Engagements:

  • Magic AI - $320 million Series C financing, with contributions from Nat Friedman and Daniel Gross, CapitalG, Eric Schmidt, and others
  • Mercor.io - $30 million Series A financing, led by Benchmark with participation from General Catalyst, Peter Thiel, Jack Dorsey, Adam D'Angelo, and others
  • Sapien - $8.7 million Series Seed financing, led by General Catalyst with participation from Neo
  • Coda - sale to Grammarly 
  • Taktile - $20 million Series A financing, co-led by Index Ventures and Tiger Global
  • Flower Labs - $20 million Series A financing, led by Felicis Ventures and First Spark
  • 15Five - $52 million Series C financing, led by Quad Partners with participation by Next47, Origin Ventures, Edison Partners and others
  • Certa - $35 million Series B financing, co-led by Fin VC and Vertex Ventures
  • Allium - $16.5 million Series A financing, led by Theory Ventures, and $4.25 million Series Seed financing co-led by Kleiner Perkins and Amplify Partners
  • Better Trucks - $15 million Series A financing led by Lobby Capital, Corazon Capital, Venture 53 and others
  • Uprise - $3.3 million Seed financing, led by Blank Ventures
  • Medicxi, Aditum Bio, Atlas Venture – $20 million Series B investment in Versanis Bio and acquisition of Versanis Bio by Eli Lilly for $1.925 billion
  • Marcy Venture Partners - Investment in The Long Drink Company
  • Louis Dreyfus Company CVC - Investment in Natural Fiber Welding
  • Humaans - $15 million Series A financing, led by Lachy Groom
  • Quell - $10 million Series A financing, led by Tencent, Khosla Ventures, Heartcore Capital and others
  • Telmai - $5.5 million Series Seed financing, co-led by Glasswing Ventures and .406 Ventures
  • Simpl - $40 million Series B, led by Valar Ventures and IA Ventures
  • Atalaya Capital Management - Formation of private equity vehicle with Waterfall Asset Management and strategic growth investment into OnPoint Warranty Solutions
  • HPS Investment Partners – Formation of private equity vehicle with with Wildcat Capital Management and strategic growth investment into Sculptor Real Estate
740

Practice:

  • Mergers and Acquisitions
  • Technology Companies Group

Mark Seneca パートナー

シリコン・バレー

Mark has a particular focus on the technology sector, having led hundreds of buy-side and sell-side transactions involving prominent high-tech serial acquirers, unicorns and venture back companies. His sell-side work involves multiple acquisitions by Google, Facebook, Salesforce.com, VMware, Microsoft, Intel, IBM, Adobe, Yahoo! and Twitter. These deals include his high profile work for Mosaic ML on its US$1.3 billion acquisition by Databricks, Cruise Automation in its acquisition by General Motors, Nest Labs in its US$3.2 billion acquisition by Google, and Instagram in its US$1.0 billion acquisition by Facebook, which was ranked one of the top 10 largest valued private tech M&A deals in the U.S. in 2012. In an interview with Bloomberg Law for a “Rainmakers” episode, Mark provided a substantive analysis of the Instagram deal, including its industry precedent and influence (click here).

On the buy-side, Mark has served as lead M&A counsel for top public company acquirers (Yelp, Google, Yahoo! and Intellisync) as well as private company serial acquirers (Stripe, Pinterest and Social Finance).

740

Practice:

  • International Trade and Investment
  • Strategic Advisory and Government Enforcement

Maria Sergeyeva シニア・アソシエイト

Washington DC

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.

Practice:

  • Finance Sector
  • Structured Finance
  • Banking & Finance
  • Energy & Infrastructure
  • Real Estate

Laure Seror オブ・カウンセル

パリ

Laure advises French and international banks and financial institutions as well as sponsors and borrowers on French and cross-border financing transactions. She is particularly active in structured finance (including securitization transactions and debt funds) and energy and infrastructure project transactions. She also regularly advises on real estate finance transactions.

Prior to joining Orrick in 2017, Laure was an associate for five years in the Banking & Finance department of Freshfields Bruckhaus Deringer.

440291

Practice:

  • Renewable Energy
  • Energy & Infrastructure
  • Energy

Renee Serota アソシエイト

サンフランシスコ

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.

466283

Practice:

  • Compensation & Benefits

Rebecca Servian パートナー

ロンドン

Her expertise includes the creation of both equity-based and cash-based incentive plans, including the full range of HMRC tax-advantaged plans such as EMI plans and CSOPs, working on the incentives aspects of corporate transactions, including both venture capital and private equity investment, public company takeovers, IPOs, and company reorganizations. She considers the impact of the transaction on the share plans for employees and implements new incentive arrangements following investment into companies and businesses. She also guides listed companies on how to reward their executive directors in accordance with market practice and best corporate governance.

Rebecca is a member of the Share Plan Lawyers Organisation and a contributor to various publications (such as the Practical Law Company). She received a band 5 ranking in Employee Share Schemes & Incentives by Chambers UK 2025, is a “Leading Individual” under The Legal 500’s legal directory and has been recognized by MergerLinks as one of the top 30 most active up-and-coming tax lawyers in EMEA.

443901

Practice:

  • IP相談およびデューデリジェンス
  • Artificial Intelligence
  • Trademark, Copyright & Media
  • Technology & Innovation
  • 知的財産
  • Technology Transactions

Thomas Seward アソシエイト

ロンドン

He supports clients ranging from early-stage startups to established enterprises throughout the technology lifecycle – from software development and procurement to digital transformation, outsourcing, and strategic alliances.

His work includes drafting and negotiating technology service agreements, website terms and conditions, and intellectual property Iicensing agreements, ensuring contracts evolve with each stage of growth.

Tom also helps clients acquire, protect, and commercialise intellectual property, advising on cross-border licensing, due diligence, and compliance with copyright and data protection laws.

740

Practice:

  • Trademark, Copyright & Media
  • Trade Secrets Litigation
  • 知的財産

Nathan Shaffer パートナー

サンフランシスコ

Nathan represents leading technology companies and achieves results in cases where their most valuable assets are on the line. Nathan’s practice includes federal and state court litigation with an equal split between plaintiff and defense-side representations. He has obtained multiple preliminary injunctions for his clients, won dispositive motions, and represented his clients on appeal.

Nathan focuses on issues at the intersection of high technology and intellectual property law. He regularly represents and counsels clients in disputes involving software licensing, emerging aspects of trademark and copyright law, IP ownership, disputes involving technology products and IP, and open-source licensing.

As a trade secret litigator, Nathan has protected his clients’ intellectual property in fast-paced scenarios involving emergency forensic investigations followed closely by obtaining temporary restraining orders and injunctions.

Prior to joining Orrick, Nathan served as a law clerk to Judge Dorothy W. Nelson of the U.S. Court of Appeals for the Ninth Circuit and Judge John A. Mendez of the Eastern District of California.

Khushbu Shah アソシエイト

New York

Dr. Khushbu Shah is a life sciences patent litigator with deep technical and legal expertise spanning small molecules and biologics. She represents leading pharmaceutical and biotechnology innovators in high-stakes U.S. litigation and complex multi-jurisdictional patent disputes.

Dr. Shah possesses in-depth technical knowledge of biologics and their development. Combined with her training in formulations and doctoral training in medicinal chemistry, where she synthesized and characterized dozens of novel compounds including Pemetrexed analogues, she brings a scientist’s precision to patent litigation strategy. Her scientific background informs her understanding of both chemical and biological inventions, from synthesizing complex small molecules and peptides to analyzing antibody sequences and gene therapy vectors.

She has been part of litigation teams that have successfully defended major biopharma clients against coordinated challenges by multiple generic manufacturers to patents protecting multi-billion-dollar blockbuster therapies. Her practice also includes advising on pre-litigation patent strategy, conducting freedom-to-operate and validity analyses, and coordinating worldwide opposition and defense campaigns for products at all stages of development. She has counseled on complex patent landscapes for CAR-T therapies, gene therapy products, and other cutting-edge biologics.