People

Sonora Carroll Associate

Washington, D.C.

Sonora's practice includes a diverse range of complex litigation, regulatory enforcement, and government-initiated investigation matters. She also maintains an active pro bono practice.

Sonora received her J.D. from the Howard Law School in Washington, D.C. While in law school, she participated in the Howard Criminal Justice Clinic where she represented indigent individuals charged with misdemeanors in Washington, D.C. Superior Court. Sonora was also a student attorney in the Howard Civil Rights Clinic where she contributed to an amicus brief in the landmark case Dobbs v. Jackson Women’s Health Organization.

Tony Chan Partner

Washington, D.C.; Boston; New York

Tony regularly advises clients on mergers and acquisitions (M&A), private equity, growth equity, and venture capital transactions, as well as on corporate governance, joint ventures and corporate finance.

His clients include global strategic buyers and sellers, as well as financial sponsors and their portfolio companies in the life science, healthcare, investment management, technology and video game industries.

Tony has been recognized for his life sciences and M&A work by a number of notable publications, including The Legal 500 US, Law360, IFLR1000 and Legal Media Group. In particular, Law360 highlighted his work in navigating the complex life sciences industry and key partnership negotiations between biotechnology and drug companies.

In addition, Tony sustains an active pro bono practice, serving as counsel to nonprofit organizations such as Aequitas, APAI Vote, Chefs Stopping Asian American Hate, Rebuilding Together Philadelphia, the Philadelphia Film Society, and the Harvard Asian Alumni Alliance. Tony also serves as an adjunct professor at Georgetown Law School where he has taught Takeovers, Mergers and Acquisitions since 2015.

Lowell Chandler Associate

Washington, D.C.

Lowell's practice centers on drafting and negotiating a wide range of documents related to renewable energy project development, including power purchase agreements (PPAs), virtual PPAs, energy storage service agreements, tolling agreements, and engineering, procurement, and construction contracts. He also supports clients with interconnection, transmission, and regulatory matters. Leveraging his regulatory and appellate expertise, Lowell delivers comprehensive, forward-thinking advice to help clients anticipate and overcome obstacles.  

Before joining Orrick, Lowell served as a junior partner at a boutique law firm where he led the representation of developers of solar, wind, hydroelectric, generation-plus-storage, and biomass projects. His work involved negotiating offtake agreements, navigating complex regulatory environments before state utility commissions and the Federal Energy Regulatory Commission, and engaging in extensive appellate practice related to renewable energy project development under the Public Utility Regulatory Policies Act.

Prior to practicing law, he served as a climate policy analyst for an international non-governmental organization in Washington, D.C., where he advanced U.S. climate policy on refrigerants and contributed to amending the Montreal Protocol to phase-out hydrofluorocarbon super greenhouse gases.  

Kamilyn Choi Managing Associate

Washington, D.C.

Before joining Orrick, Kamilyn was a law clerk on the U.S. Court of Appeals for the Fourth Circuit and a litigation associate at Cleary Gottlieb, where she focused on foreign-sovereign litigation and other cross-border matters.

Kamilyn is a graduate of Yale Law School, where she served on the officer board of the Yale Law Journal and as a member of the Lowenstein International Human Rights Clinic and the federal Indian law clinic.  As a member of the law school's appellate litigation clinic, Kamilyn argued before the U.S. Court of Appeals for the Third Circuit, securing a victory for an incarcerated appellant.

James Chou Senior Associate

Washington, D.C.

Prior to joining Orrick, James was an associate at Buckley LLP. Previously, he spent nearly 10 years as a Defense Analyst and a Senior Operations Research Analyst for the U.S. Army, where he focused on cybersecurity, defense policy, and program analysis. He also spent more than three years in the defense industrial base as an IT Project Manager and Policy Analyst.

James is a Certified Information Systems Security Professional (CISSP), a Certified Cloud Security Professional (CCSP), and a Certified Data Privacy Solutions Engineer (CDPSE). He is conversational in Mandarin.

Harry Clark Partner

Washington, D.C.

Harry is experienced in areas such as CFIUS/Exon-Florio examinations of foreign investment, military and “dual use” export control regulations (ITAR/EAR), economic sanctions administered by the U.S. Treasury Department (OFAC), customs regulations, the Foreign Corrupt Practices Act, anti-money laundering rules, anti-boycott requirements and defense industrial security requirements. He executes internal corporate investigations regarding trade and investment rules and advises on such rules in the context of corporate transactions.

Additionally, Harry has extensive experience with government contracting matters. His government contracting work has included, for example, design and implementation of U.S. Defense Department renewable energy projects. He also represents broad industry coalitions on major trade litigations and international negotiations. His experience in these areas includes a leading role in what is often considered the largest-ever international trade dispute: the controversy regarding unfair softwood lumber imports from Canada. It has involved myriad administrative proceedings before federal agencies, NAFTA panel appeals, WTO dispute proceedings, judicial proceedings and international settlement agreements.

Harry has represented a coalition of major U.S. oil companies in antidumping and countervailing duty litigation. As a related matter, he pursues policy issues with congressional and executive branch officials and advises on international trade rules (e.g., GATT, WTO agreements and NAFTA).

Chambers 2022 recognizes Harry as a leader in the field of export controls and economic sanctions (Chambers Global and Chambers USA), as well as CFIUS (Chambers USA). Previous editions have also recognized Harry’s achievements regarding his work related to the Foreign Corrupt Practices Act. Clients note that Harry provides “accurate, straightforward guidance incredibly efficiently” and “he has an ability to translate complex legal requirements and rules into business-friendly jargon.”

Eileen M Cole Partner

Washington, D.C.

Eileen's work includes Section 1 (price-fixing/ market allocation) and Section 2 (monopolization) claims brought by direct and indirect purchaser classes in multi-district litigations as well as direct competitor claims. 

Eileen represents individual and corporate clients in criminal and civil investigations before the U.S. Department of Justice Antitrust Division and the FTC as well as other competition agencies globally. She counsels clients in all aspects of grand jury investigations, criminal trials and sentencing, parallel class action suits, and civil investigations of pricing conduct, and other potential antitrust violations.

Eileen’s work often includes coordination globally of parallel cartel investigations by competition agencies, including the European Commission and competition agencies in Australia, Brazil, Canada, Japan, Korea, Mexico, New Zealand, South Africa, and India. In addition to defending companies under investigation, including through trial, Eileen has also assisted companies in seeking amnesty and leniency in the United States and abroad.

Eileen also regularly represents pharmaceutical clients in complex civil antitrust class action litigations at the intersection of antitrust and intellectual property. These cases involve the complexities of the FDA approval process; orange book listings; petitioning; FDA guidance, labeling, and reporting; state substitution laws; pharmaceutical pricing; formularies and rebates. Eileen has successfully challenged monopolization claims alleging ‘reverse payment” and “product hopping” schemes at the motion to dismiss, class certification, and summary judgment stages. Her work has involved claims brought by competitors as well as class allegations brought by direct and indirect purchasers.

Eileen's approach is to understand early on the complex fact scenarios at the heart of each antitrust case and prepare for trial from the outset. Eileen regularly represents her clients in federal court, including in multi-district class actions. She has great experience in trying criminal and civil antitrust cases, involving claims of monopolization and price-fixing, as well as mergers. Eileen’s extensive knowledge and experience in e-discovery is crucial when counseling clients how to navigate the ever-increasing discovery demands, new and evolving technologies, and privacy challenges for both domestic and foreign clients, while ensuring that the evidence necessary to win is at their fingertips.

Eileen works with corporate clients and individuals in a variety of industries beyond pharmaceuticals, including finance, insurance, auto parts, air cargo, ocean shipping, glass, graphite electrodes, and information technology.

Lawdragon named Eileen as one of the 500 Leading Litigators in America in 2023, 2024 and 2025 and the 500 Leading Global Antitrust & Competition Lawyers.  In 2021, Global Competition Review – Who’s Who Legal named Eileen a "Future Leader" in Competition. 

In addition to litigation and defense, Eileen counsels clients on corporate governance and compliance. She advises clients in developing and implementing corporate compliance plans and conducts corporate compliance investigations.

Eileen is also passionate about pro bono work. She has worked on cases involving immigration, asylum and landlord tenant disputes.  Her work vacating a federal drug conviction on Padilla grounds was recognized as Detainee Champion of the Year by CAIR.

She is a member of the New York Bar Association and the Bar Association of the District of Columbia. She also is a member of the American Bar Association and active in the Intellectual Property and Antitrust Sections. Eileen is the Chair of the Intellectual Property and Antitrust Interface Committee.

Abigail Colella Senior Associate

Washington, D.C.

Abby has authored briefs in the U.S. Supreme Court, federal courts of appeals, and federal and state trial courts. She specializes in communicating complex technological concepts to judges of all backgrounds, and her work spans a wide range of topics and industries—from cutting-edge patent issues to the intricacies of the DMCA.

Abby also represents internet and digital media companies in litigation related to online speech, with a particular focus on Section 230 of the Communications Decency Act. Her recent successes include arguing and winning a Ninth Circuit appeal raising novel state action issues.

Prior to joining Orrick, Abby served as a law clerk to Judge Timothy B. Dyk of the United States Court of Appeals for the Federal Circuit.

John Coleman Partner

Washington, D.C.

Prior to joining Orrick, John was a partner at Buckley LLP, which he joined after 15 years in federal government service as a litigator and advisor to senior policymakers, most recently as Deputy General Counsel for Litigation and Oversight at the Consumer Financial Protection Bureau. He joined the CFPB soon after its creation in 2010 and was one of a core group of attorneys tasked with interpreting the authorities granted to the agency by the Consumer Financial Protection Act of 2010 and establishing the procedures by which the agency exercises those authorities. He was the first person to appear in court on behalf of the CFPB and was involved in every significant litigation matter in the agency’s history prior to his departure. As Deputy General Counsel, he managed the team of attorneys responsible for representing the Bureau in litigation, including appellate matters, and before congressional oversight bodies.

John served every director or acting director in the CFPB's history during his tenure at the CFPB, advising them and senior officials in the Division of Supervision, Enforcement, and Fair Lending on a range of complex legal and policy matters, including those arising in the course of examinations, investigations and enforcement actions. He also advised the Director and senior officials in the Division of Research, Markets, and Regulations with respect to rulemakings, and represented the agency in all rulemaking challenges.

Prior to joining the CFPB, John was a trial attorney in the Federal Programs Branch of the Department of Justice’s Civil Division, representing federal agencies and officials in high-profile civil litigation, including cases brought under the U.S. Constitution, the Administrative Procedure Act and federal antidiscrimination laws.

Following law school, he served as a law clerk for the Honorable T.S. Ellis III, of the United States District Court for the Eastern District of Virginia.

Andrew Cook Partner

Washington, D.C.; Seattle

Andy combines his legal expertise in numerous areas of law covered by state Attorneys General, an understanding of how state AG offices operate, and vast knowledge of legal and regulatory issues facing his clients. This substantive and comprehensive legal approach is crucial to effectively representing clients before state Attorneys General.  Andy also has substantial experience drafting and enacting complex civil liability reforms before state legislatures to successfully address client goals.

Andy’s main practice focuses on advising Fortune 500 companies before state Attorneys General in the areas of antitrust, consumer protection, False Claims Act, environmental law, and cybersecurity and data privacy. Andy, in collaboration with a team of attorneys, successfully navigated a client through antitrust regulatory review by state Attorneys General in one of the nation’s largest mergers of two major telecommunication companies. Andy also worked with a team of lawyers representing a large corporation involving the multistate opioids litigation brought by state Attorneys General.

Andy gained valuable experience serving as Deputy Attorney General for the State of Wisconsin where he was the second in command of the 700-plus state agency. In his role as Chief Deputy Attorney General, Andy oversaw the day-to-day operations at the Wisconsin Department of Justice (DOJ); directed the State’s litigation strategy; negotiated, reviewed, and approved all settlements; drafted and reviewed attorney general opinions; managed the agency’s budget; oversaw civil and criminal investigations handled by DOJ; and managed DOJ’s legislative agenda.

Andy played college hockey and remains active by running, cross country skiing, and playing golf. On the weekends, Andy and his wife enjoy watching their kids’ sporting events, including soccer, baseball, gymnastics, and track. In his rare spare time, Andy reads history books.

Jennifer Criss Of Counsel

Washington, D.C.

Jennifer's practice focuses on negotiating the intellectual property and information technology aspects of complex commercial and corporate transactions, from mergers and acquisitions to financing transactions to corporate divestitures and spin-offs. She also works with technology companies to more mature entities on complex commercial transactions.

Jennifer routinely advises clients on strategic partnerships and guides companies at every stage of corporate acquisitions where intellectual property and technology are key assets. She drafts, negotiates, and advises clients on various software commercial and IP licenses, software as a service (SaaS) and cloud services agreements, software and product development agreements, joint development agreements, software and hardware contracts, and related consulting agreements. Jennifer works with cross-border clients across numerous technology-driven sectors, including entertainment, media, clean energy, biotechnology, and retail.

Additionally, Jennifer has extensive knowledge of copyright law and counsels clients on all aspects of copyright protection.

Jennifer has been an active member of the American Bar Association's Section of Intellectual Property Law and involved in its leadership for over 10 years. In August 2023, she began a 4-year position as one of 16 members of the Section's Council, helping to establish policy and resolutions on behalf of the IP Section. Jennifer has also been a member of its Continuing Legal Education (CLE) Board since 2016. She previously served on the Section's Nominating Committee. She previously served as vice chair of the ABA's Copyright Division (2020-2021) and was chair of the Committee on Copyright & Social Media. 

Jennifer is a Fellow of the American Bar Foundation. Her speaking engagements and publications have addressed topics such as asset sales involving intellectual property, ownership matters, copyright permissions, fair use, online harassment, and data privacy and cybersecurity.

Before her legal career, Jennifer earned her Ph.D. in the History of Art from the University of Pennsylvania. She taught art history at The George Washington University and American University. She received fellowships from the French Ministry of Education (Chateaubriand Fellowship), the Philadelphia Museum of Art, The Phillips Collection, and the University of Pennsylvania.

Jake Cunningham Managing Associate

Washington, D.C.

Jake focuses on the development of natural gas infrastructure, including liquefied natural gas terminals and natural gas pipelines, and advises companies on securing permits and authorizations for major energy projects from FERC and DOE.

Jake's experience before FERC encompasses natural gas rate and tariff proceedings, enforcement and compliance matters, and applications for certificates and authorizations under the Natural Gas Act.