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  • Energy
  • Infrastructure

Walter Alarkon Managing Associate Energy, Infrastructure

New York

Walter counsels private and public companies in their roles as sponsors, investors, lenders, and borrowers in energy and infrastructure projects.

His experience includes drafting and negotiating documentation specific to project finance, tax equity finance, bond offerings, and general corporate matters.


  • Complex Litigation & Dispute Resolution

Whitney-Ann Mulhauser Associate Complex Litigation & Dispute Resolution

Washington, D.C.

Whitney-Ann Mulhauser litigates complex disputes at the state, federal, and international level. 

Whitney-Ann is a member of Orrick’s Complex Litigation & Dispute Resolution team. She has litigated antitrust matters, complex financial transactions, emerging crypto-currency issues, and civil rights issues. She also has experience in SEC and white-collar investigations. 

Whitney-Ann has represented both plaintiffs and defendants. She has experience in all stages of litigation, including pre-suit investigations, discovery, expert and lay witness depositions, and dispositive motions. 

Whitney-Ann is also an adjunct professor of law at Georgetown University Law Center. She teaches a practical course on civil discovery in federal courts. 

Whitney-Ann was previously a litigation associate at Quinn Emanuel Urquhart & Sullivan, LLP. After law school, she served as the judicial law clerk to the Honorable Judge Ivan D. Davis, United States Magistrate in the Eastern District of Virginia, Alexandria division.



  • Internal Investigations
  • Complex Litigation & Dispute Resolution

Adam Rizzo Senior Associate Internal Investigations, Complex Litigation & Dispute Resolution


Adam Rizzo is a Senior Associate in the Complex Litigation & Dispute Resolution group who joined from another international firm in July 2016.

Adam acts for clients in respect of internal investigations and proceedings from US and UK regulators.  Adam has represented clients in regulatory and disciplinary investigations and proceedings by the Public Companies Accounting Oversight Board (PCAOB) and the Securities and Exchange Commission (SEC) in the US as well as the UK's Financial Reporting Council (FRC) and Financial Conduct Authority (FCA).

Adam is also experienced in handling High Court litigation, and has resolved disputes for clients by way of arbitration and mediation. In this context, his areas of focus are professional negligence and policy coverage but he has also acted for companies who are active in the construction, mining, renewable energy and private equity sectors. 



  • Complex Litigation & Dispute Resolution
  • Intellectual Property
  • Class Action Defense

Richard Krebs Managing Associate Complex Litigation & Dispute Resolution, Intellectual Property

Orange County

Rich Krebs is a litigator and trial lawyer with a passion for taking complex legal issues and making them interesting and comprehensible to clients, judges, and juries.  Clients know they can depend on Rich to be a fierce and loyal advocate and a steady hand to guide them through stressful conflicts.

A member of Orrick's Complex Litigation and Dispute Resolution practice, Rich has extensive business litigation experience in federal and state courts and private arbitration and mediation, including various business tort, breach of contract, insurance, licensing, fraud, securities, construction, intellectual property, and class action matters.  

Rich's practice covers all aspects of the litigation and dispute resolution process--from advising clients on whether to file suit, to resolving disputes through trial or settlement, and everything in between.  Rich's dogged determination, creativity, and relentless commitment to winning has repeatedly resulted in successful resolutions for his clients.  

Rich began his career with Irell & Manella in Los Angeles and also spent time with a litigation boutique in Houston before joining Orrick in 2018.  Rich lives in Newport Beach with his wife Rachel and his daughter Olivia.



  • Complex Litigation & Dispute Resolution
  • White Collar, Investigations, Securities Litigation & Compliance
  • Internal Investigations
  • Mass Torts & Product Liability
  • Class Action Defense
  • White Collar
  • Trials
  • Fintech

Richard Jacobsen Partner Complex Litigation & Dispute Resolution, White Collar, Investigations, Securities Litigation & Compliance

New York

Richard Jacobsen, co-leader of Orrick's Complex Litigation & Dispute Resolution practice, litigates a wide variety of matters in federal and state trial and appellate courts, and in arbitrations before the American Arbitration Association and London Court of International Arbitration. He represents clients in diverse industries, including many that are highly regulated, such as the finance, pharmaceutical, biotechnology, chemical, computer and consumer goods industries.

Richard has argued numerous appeals at the State and Federal levels and also has experience representing clients before federal and state regulators. He has argued multiple times before seven of the eight current Justices in the Commercial Division of New York’s Supreme Court, New York County. Much of his practice involves the intersection of litigation and public policy advocacy and his past and present clients include Credit Suisse, Citigroup Financial Products Inc., Wyeth, The Dow Chemical Company, Microsoft, DISH Network, and Acer Inc.

Richard's cases have received widespread media attention in The Wall Street Journal, The New York Times, and Reuters, among others. The Legal 500 recognized him for his work in "General Commercial Disputes," citing his "strong financial institution and corporate client base."



  • Complex Litigation & Dispute Resolution

Paige Pavone Managing Associate Complex Litigation & Dispute Resolution

New York

Paige Pavone is a litigation associate in Orrick's New York office.  She represents clients in complex matters involving commercial contracts, intellectual property, and products liability. 

From 2017-2018, Paige served as a law clerk for the Honorable Dora L. Irizarry, Chief United States District Judge for the Eastern District of New York.  Prior to clerking, Paige worked as an associate at a global law firm, engaged in complex commercial litigation, arbitrations, and investigations. 



  • Energy
  • Corporate

Yolanda Yong Senior Associate Energy, Corporate


Yolanda Yong is a senior associate in the Corporate group and has advised on a range of cross border and domestic transactions focusing on the energy and infrastructure sector.  Yolanda advises across both the corporate and project documentation for energy and infrastructure projects and also advises on general corporate matters for companies. 

Yolanda has significant experience in the energy and infrastructure space and is comfortable advising across construction, project documentation and corporate law matters which means she is able to provide a holistic service to clients.

Yolanda spent almost a year on secondment with a leading wind farm developer as the legal adviser to a joint venture UK offshore wind farm. Yolanda has also been seconded to the head office of a FTSE 250 construction and facilities management company and also to the corporate legal team at IBM.

Yolanda supports pro bono initiatives within the firm and is an active member of the Diversity and Inclusion committee.


  • Tax

Sophia Han Managing Associate Tax

New York

Sophia’s practice focuses on federal income tax law, with an emphasis on renewable energy investment, energy tax credits and domestic and international project developments and financing transactions. She has represented both lenders and borrowers in various financing transactions, and also sponsors in renewable energy transactions.



  • Equity Capital Markets
  • Corporate Governance
  • M&A and Private Equity
  • Fintech
  • Blockchain and Cryptocurrency

Andrew Thorpe Partner Equity Capital Markets, Corporate Governance

San Francisco

Andrew Thorpe, a partner in Orrick's San Francisco office, is a member of the Corporate group. Andrew’s practice focuses on securities regulation, public offerings, mergers and acquisitions and corporate governance.

His diverse industry experience spans semiconductors, software, fintech, life sciences, medical devices, clean technology, financial services, telecommunications and internet.

Andrew is one of the top IPO counsels to issuers, according to statistics from IPO Vital Signs. Andrew has been involved in over 40 IPOs. In the Legal 500 rankings, it was noted that Andrew "is great to work with:  he's knowledgeable, has excellent capital markets and regulatory experience, and is creative, smart and always keeps his cool."

Andrew provides clients with his valuable perspective from having extensive experience on all sides of the table in capital markets transactions – issuer, underwriter and the SEC. Prior to entering private practice, Andrew worked in the Division of Corporation Finance of the Securities and Exchange Commission, where he was responsible for reviewing public companies' Securities Act and Exchange Act filings. From January 2001 to April 2005, Andrew served as special counsel with the Office of Rulemaking within the Division of Corporation Finance. While in this position, he played a significant role in drafting many of the regulations emanating from the Division, including those mandated by the Sarbanes-Oxley Act of 2002, as well as Securities Act Reform.

Before joining Orrick, Andrew was a partner with Morrison & Foerster LLP.



  • Structured Finance

Alina A. Kipnis Associate Structured Finance

New York

Alina A. Kipnis, an associate in the New York office, is a member of the Structured Finance Group. Alina's practice focuses on public and private commercial mortgaged-backed securities transactions.

Prior to joining Orrick, Alina's work focused on assisting global financial institutions with financial risk and regulatory compliance matters, specifically in recovery and resolution planning, heightened standards, and contingency planning regulations.

Alina is a graduate of the Fordham University School of Law, where she was a member of the Fordham Journal of Corporate and Financial Law, and a member of the Fordham softball team. She also graduated from New York University with an undergraduate degree in Economics and a minor in Business Studies from the Stern school.



  • Public Policy
  • Cyber, Privacy & Data Innovation

Robert McKenna Partner Public Policy, Cyber, Privacy & Data Innovation

Seattle; Washington, D.C.

Robert M. McKenna, partner in Orrick's Seattle and Washington, D.C. offices, leads the state Attorney General team in the firm's Public Policy Group and is a member of the Cyber, Privacy & Data Innovation practice. A former Washington State Attorney General and President of the National Association of Attorneys General, Rob is accomplished in all areas of public policy, appellate law and investigations. He is a Chambers USA Band 1 Partner in Government Relations: State Attorneys General.

Rob represents a wide range of technology and other companies in matters involving cyber security, data privacy, litigation, appellate litigation, regulatory proceedings, state attorney general investigations and legislative issues. His experience, stature and expertise add essential capabilities for clients seeking coordinated policy advocacy, regulatory compliance and litigation strategies in state capitols across the country and in Washington, D.C., where he has testified before Congress and assisted clients who have been called to testify before Congressional committees. While at Orrick, Rob has represented clients in both state and federal court, typically in cases centered on constitutional questions.

Rob served two terms as Attorney General of Washington, from 2005 to 2013. He successfully argued three cases before the U.S. Supreme Court and helped negotiate three of the largest consumer protection settlements in national history, all involving mortgage lending and servicing. He is a recognized leader in the development of data protection and privacy regulation. Rob was the first state Attorney General to build a computer forensics lab to collect evidence of Internet fraud, and passed one of the nation's first anti-spyware laws.

Rob served as President of the National Association of Attorneys General (NAAG) from 2011-12 where he co-launched the NAAG Intellectual Property Task Force to advance the national fight against counterfeiting and piracy. While serving as NAAG President, he created and led a national initiative to combat human trafficking which continues to this day. The NAAG human trafficking summit he hosted in Seattle in 2012 led AGs to launch state-level initiatives around the country. His fellow attorneys general honored him in 2011 with the Kelley-Wyman Award for “Outstanding Attorney General” in America.

Jamie Moore - Orrick - Venture Capital, Fintech


  • Technology Companies Group
  • Corporate
  • Fintech

Jamie Moore Senior Associate Technology Companies Group, Corporate


Jamie's practice specialises in venture capital with significant experience in advising start-ups through to unicorns.

Jamie acts for both early and late stage companies in intellectual property rich sectors and those who invest in them, including some of the most active venture capital funds, corporate or individual investors.

Jamie has a passion for disruptive technologies, innovation and entrepreneurial business. He has acted on countless transactions across a broad range of sectors both in the UK and internationally, but is most known for his experience in acting on investments into FinTech and Artificial Intelligence companies.

Jamie has deep knowledge of the practice area in which he operates and market trends, which he leverages to provide clear and concise advice on a range of corporate issues taking high growth technology companies from start-up through to exit.

He presents on corporate law and venture capital to clients and at seminars in the City, including practitioners’ conferences on practical legal issues in venture capital transactions and SEIS/EIS investments.

An active participant in the venture capital community, Jamie Moore has contributed to industry standard form documentation, acted as a mentor for various Seedcamp portfolio companies and hosted office-hours for the Barclays' TechStars cohort.