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740

Practice:

  • Finance Sector
  • Financial Services Litigation
  • Class Action Defense
  • Energy & Infrastructure
  • International Arbitration & Dispute Resolution
  • Trials
  • Complex Litigation & Dispute Resolution
  • Securities Litigation, Class Actions and Shareholder Derivative Lawsuits
  • Corporate Governance
462274

Practice:

  • Energy & Infrastructure
  • Renewable Energy
  • Solar Energy
  • Wind Energy
  • Oil & Gas

Tyler Davis Senior Associate

Houston

Tyler advises energy industry sponsors, developers, issuers and investors in a broad range of financing matters, including construction financings, bridge loans, back leverage financings, and tax equity. Tyler's experience includes project financings and related corporate matters involving utility-scale solar, distributed solar, wind, hydroelectric power, and upstream and midstream oil and gas projects.

740

Practice:

  • Technology & Innovation Sector
  • Technology Companies Group
  • Mergers & Acquisitions

Harold Yu Partner

Silicon Valley; San Francisco

Harold advises technology companies and has significant experience with venture capital financings, debt financings, public offerings, mergers & acquisitions and technology transactions. He is deeply interested in technology. Prior to law school, Harold was a software engineer at Oracle Corporation and an intern at NASA Ames Research Center.

406642

Practice:

  • Technology & Innovation Sector
  • Responsible Business
  • Capital Markets
  • Renewable Energy
  • Wind Energy
  • Solar Energy
  • Energy Storage
  • International Trade and Investment
  • Mergers & Acquisitions
  • Technology Companies Group
  • Data Centers

Ashley Walter Partner & Chief Sustainability Officer

Seattle

As Orrick’s Chief Sustainability Officer, he also oversees Orrick's strategic sustainability initiatives. Ashley focuses on developing innovative methods of supporting clients in achieving ESG objectives, including designing novel systems to manage supply chain risk; forming and guiding management-level ESG Steering Committees; and helping clients address the ESG requirements of major customers by engaging with those customers on our clients’ behalf.

Ashley is a co-founder and past chair of the Corporate Social Responsibility Law Committee of the ABA Business Law Section, has co-chaired the Practising Law Institute's annual ESG program for the last four years, and is heavily involved in ESG initiatives at Stanford Law School, where has served as a moderator at the Stanford Directors' College, has lectured on ESG at business law courses, has taught the course “Corporate Social Responsibility,” and will be teaching the course “Law and Governance in ESG Strategy” in the spring of 2025. Prior to Orrick, Ashley founded the corporate social responsibility practice at a Silicon Valley-based law firm.

How I help clients:

  • Customer ESG Engagement: Engaging with clients’ major customers in response to ESG inquiries or requirements
  • Supply Chain Risk: Developing responsible sourcing systems for high-risk supply chains
  • ESG Goal Management: Advice regarding retaining, modifying or withdrawing ESG goals
  • ESG Steering Committees: Forming and guiding management-level ESG Steering Committees
  • ESG Due Diligence: Conducting ESG due diligence with a focus on post-closing program building
  • Quarterbacking Compliance: Creating and advancing a project plan for regulatory compliance, including working with third-party consultants
740

Practice:

  • Technology & Innovation Sector
  • Intellectual Property
  • Trademark, Copyright & Media
  • Complex Litigation & Dispute Resolution
  • Mass Torts & Product Liability
  • Life Sciences & HealthTech

Lisa T. Simpson Partner

New York

Lisa has been recognized as one of the "Top 250 Women in IP" by Managing Intellectual Property and has received accolades from American Lawyer, Benchmark Litigation, The Legal 500 USA and New York Times Magazine with World Trademark Review 1000 noting that Lisa “marries a rich comprehension of IP law with a gift for connecting with people, making full use of each advantage in the courtroom.” Lisa was recently named to Lawdragon's 500 Leading Litigators in America list.

Trial Experience

Lisa has served as trial counsel across a wide range of matters. She recently served as co-lead trial counsel in a case in Delaware Chancery Court in a dispute over corporate control and ownership. She is currently serving as lead trial counsel in an energy distribution contract and rate dispute in North Dakota. Lisa also served as trial counsel for Oracle in its dispute with Google over the Java APIs in Android phones in the Northern District of California and served as trial counsel in a matter involving the trade dress of a hip implant medical device in the District of Colorado. Lisa has also served as trial counsel in a number of product liability matters involving allegations concerning talc, analgesics and herbicides.

Intellectual Property

Lisa handles a variety of high-profile trademark, trade secret, and copyright matters. Lisa’s copyright experience includes some of the leading copyright cases of the past decade: she represented Oracle in its litigation with Google over the Java APIs, represented DISH Networks, LCC in its copyright litigation with the broadcast networks over various features offered by DISH’s Hopper DVR, including AutoHop and Sling and served as counsel to Supap Kirtsaeng before the U.S. Supreme Court on the issue of the copyright first sale doctrine’s applicability to goods manufactured abroad.

Lisa’s trademark and trade secret litigation has spanned a variety of courts and industries: she successfully defended trademark infringement claims in the Northern District of California on behalf of Sony over its popular “Gran Turismo” racing video game and scored two separate wins in the Southern District of New York and then in the Second Circuit on behalf of client Sanei in trademark litigation brought by fashion designer Jill Stuart. Lisa also successful established secondary meaning and secured a preliminary injunction for the New York City Triathlon in S.D.N.Y. Lisa also represented a major pharmaceutical and healthcare company in trade secrets litigation concerning multi-payor coordination of prescription drug benefits loyalty cards.

Products Liability and Consumer Class Action

Lisa serves as counsel to Johnson & Johnson, Chanel, and Avon in cases asserting claims arising from the use of its talcum powder products, including claims of mesothelioma and ovarian cancer. She also represented Wyeth and Dow Agrosciences in a variety of complex products liability and consumer class action litigations. Lisa served as counsel in hundreds of product liability matters concerning injuries allegedly associated with childhood vaccines, handled litigations involving the labeling and advertising of Advil, and obtained the dismissal, prior to class certification, of a consumer class action in a matter concerning the calcium supplement Caltrate.

Current Pro Bono Representation

Lisa served as trial counsel for Planned Parenthood of Indiana and Kentucky, securing an important trial win invalidating as unconstitutional a statewide law that jeopardized access to safe and legal abortion services in Kentucky.
Lisa also has served in a variety of firm management roles, including on the Firm’s Management Committee, as Hiring Partner for the New York office as well as Partner-in-Charge of Firmwide Campus Recruiting and as a member of the Professional Development Committee.
740

Practice:

  • Finance Sector
  • Technology & Innovation Sector
  • Mergers & Acquisitions
  • Technology Companies Group
  • Corporate Governance

Karen Dempsey Senior Advisor

San Francisco

Karen is involved in a full range of corporate legal projects for high growth technology companies including venture financings, public offerings, public company securities law compliance matters and mergers and acquisitions. She also regularly advises public companies and board of directors on corporate governance issues. Karen's clients include private and public companies in the biotechnology, real estate, finance and Internet related industries. She also represents underwriters in initial public offerings and follow-on offerings and venture capital firms in investment transactions.

Karen is a frequent speaker on corporate and securities law topics including Initial Public Offerings, Corporate Governance and Sarbanes-Oxley matters. She is also Co-Editor of Part III of Venture Capital & Public Offering Negotiation, published by Aspen Law & Business.

Before joining Orrick, Karen was a shareholder at Heller Ehrman LLP and was chair of their firmwide corporate governance practice group.

Practice:

  • Complex Litigation & Dispute Resolution
  • Financial Services Litigation
  • Class Action Defense
  • Government Investigations and Enforcement Actions
  • Intellectual Property

David McGill Partner

Washington, D.C.

The Legal 500 reports that David has earned a reputation among clients for dispensing “invaluable and practical, business-oriented advice,” and his approach to disputes has been praised as “insightful, uber responsive and fearless.”

Known as an aggressive advocate, David is frequently retained by financial firms to design creative solutions for investigations and disputes involving allegations of market misconduct across an array of financial products, commodities, and other asset classes. He has successfully persuaded the U.S. Commodity Futures Trading Commission (CFTC), U.S. Department of Justice (DOJ), and U.S. Securities and Exchange Commission (SEC) to walk away from threatened charges in numerous contexts, and his recent litigation wins include obtaining the first-ever dismissal of a criminal spoofing scheme charge in a commodities futures case. Alternative asset managers and technology companies often turn to David for advice on regulatory and compliance issues, including in the areas of digital currency and exchange enforcement.

David’s practice also extends to intellectual property disputes and investigations into alleged workplace misconduct. He regularly represents technology, sports, and media companies in matters involving allegations of trade secret misappropriation, licensing disputes, unfair competition, and employee/insider misconduct.

434952

Practice:

  • Renewable Energy
  • Solar Energy
  • Wind Energy
  • Offshore Wind
  • Energy Storage
  • Energy & Infrastructure
  • Energy
  • Power

Tahiya Sultan Of Counsel

San Francisco

She has extensive experience working on regulatory compliance at the state level, advising on energy purchase and storage, resource adequacy, central procurement, renewables portfolio standard, integrated resource planning, reliability, distributed energy resources, energy efficiency, microgrid commercialization and offshore wind development.

She represents developers, power producers, community choice aggregators and utilities in bilateral negotiations for the purchase and sale of energy resources, including solar, wind and geothermal resources.

740

Practice:

  • Finance Sector
  • Public Finance

Greg Blonde Partner

Portland

Greg primarily focuses on health care/senior living finance, airport transactions and traditional municipal bond work for cities, counties and special districts.

Greg has completed conduit bond transactions for the most active healthcare borrowers in the Pacific Northwest, including Legacy Health, Oregon Health & Science University, Salem Health, Asante, Samaritan Health Services, St. Charles Health System, Columbia Memorial Hospital and PeaceHealth. He also regularly works on financings for many nonprofit senior living providers, including Pacific Retirement Services, Transforming Age, Terwilliger Plaza, Rose Villa, Mary's Woods, Dallas Retirement Village and Capital Manor, and has worked on senior living bond transactions in Oregon, Washington, California, Texas, Wisconsin, Nebraska and Florida. Greg also maintains an active traditional municipal finance practice, serving as bond counsel for public bodies and municipalities such as The Port of Portland, the City of Lake Oswego and the City of West Linn.

Since 2011, Greg has provided pro bono legal services to Iraqi refugees through the International Refugee Assistance Project.  Greg is also a past member of the Board of Directors of Youth, Rights & Justice, a nonprofit law firm that serves underprivileged children (primarily foster children) in the Portland area.

Practice:

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

Adam Krueger Senior Associate

Washington, D.C.

Adam works closely with founders, directors and venture capitalists from pre-formation through exit and has significant experience leading high growth companies through:

  • company formation;
  • capital raising strategy and venture capital financings;
  • general corporate and governance matters;
  • complex corporate transactions of all types; and
  • successful exit transactions, including mergers & acquisitions.

Adam also leverages his unique business and legal perspective to advise venture capital investors (including venture firms, strategic corporate investors and individuals) in evaluating, structuring, and managing their investments throughout the life cycle of disruptive technology companies.

Adam is known for partnering with companies and sharing in their vision for change to provide flexible solutions that meet evolving business needs. He represents companies and their investors in a variety of industries, including space tech, life sciences, digital platforms and software services, transport, artificial intelligence, health and lifestyle and sports tech, among others.

Adam is a proud father of two young daughters and is actively involved with orphanage work in Kenya, helping drive non-profit efforts throughout the region.

Practice:

  • Energy & Infrastructure Sector
  • Energy & Infrastructure
  • Renewable Energy

Ladan Mohaddes Managing Associate

New York

Her practice focuses on project finance and development for renewable energy projects.

Prior to law school, Ladan worked as a patent examiner at the USPTO. Her concentration area was in renewable energy technology including battery storage and hydrogen and fuel cells. She received a Bronze Medal from the Department of Commerce for Superior Federal Service.

Prior to USPTO, Ladan was a senior packaging engineer in a leading semiconductor company where she led supplier selection and qualification effort and helped with suppliers' development activities and capacity expansion.

332200

Practice:

  • Technology & Innovation Sector
  • Technology Companies Group

Kaitlin F. Bagby Partner

Silicon Valley

She advises high-growth technology companies in various sectors and has significant experience with venture capital financings, general corporate representation and complex corporate governance matters.

Kaitlin is known for her work with Y Combinator companies.