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Colleen Bal
Partner
Colleen is a nationally recognized trial lawyer with a proven track record of handling difficult and high-profile cases for leading technology, life sciences, and financial companies.
Christopher Chiou
Partner
Chris Chiou is a litigation partner in the Los Angeles office of Wilson Sonsini Goodrich & Rosati. He represents clients in high-stakes complex commercial litigation and investigations, with an emphasis on business disputes. Chris is experienced in all stages of litigation, from counseling clients before lawsuits are filed through trying cases before juries. He also leads internal investigations on behalf of corporations and advises them on compliance issues, including providing Foreign Corrupt Practices Act training to executives at multinational companies. Chris is certified by the International Association of Privacy Professionals in information privacy and data protection.
Before joining the firm, Chris served as Acting U.S. Attorney for the District of Nevada. As the district’s chief federal law enforcement officer, he oversaw criminal and civil cases brought on behalf of the United States, including financial litigation cases, and prosecuted cybercrime (particularly ransomware and business email compromise), white collar crime, and public corruption. In 2021, Chris served on a nationwide task force to determine how the U.S. Department of Justice can more effectively combat hate crimes and hate incidents.
Chris was previously a partner at Jenner & Block, where he helped start the Los Angeles office in 2009.
Before joining the firm, Chris served as Acting U.S. Attorney for the District of Nevada. As the district’s chief federal law enforcement officer, he oversaw criminal and civil cases brought on behalf of the United States, including financial litigation cases, and prosecuted cybercrime (particularly ransomware and business email compromise), white collar crime, and public corruption. In 2021, Chris served on a nationwide task force to determine how the U.S. Department of Justice can more effectively combat hate crimes and hate incidents.
Chris was previously a partner at Jenner & Block, where he helped start the Los Angeles office in 2009.
Leo Cunningham
Partner
Leo is a former federal prosecutor who represents clients in sensitive litigation matters, including federal and state court trials.
John P. Flynn
Partner
John is a veteran trial lawyer with 30 years of experience in high-stakes, enterprise-threatening corporate and commercial litigation.
Charles Tait Graves
Partner
Tait represents clients in trade secret disputes and provides strategic legal counsel on complex trade secret issues.
Ariel C. Green Anaba
Partner
Ariel C. Green Anaba is a trial and appellate attorney in the Los Angeles office of Wilson Sonsini Goodrich & Rosati who represents plaintiffs and defendants in high-stakes disputes. Her experience teaching complicated subjects like cell biology and chemistry allows her to distill complex problems into a cohesive narrative that resonates with juries and jurists.
Tina Hanson
Partner
Kristina Hanson is a partner in the San Francisco office of Wilson Sonsini Goodrich & Rosati. Her practice primarily focuses on intellectual property litigation, with an emphasis on pharmaceutical patent matters arising under the Hatch-Waxman Act. She has represented clients in a variety of pharmaceutical matters, from pre-trial strategy counseling through appeals.
Tarek J. Helou
Partner
Tarek represents companies in internal investigations and defends companies and individuals in significant and multi-jurisdictional government enforcement actions.
Steffen N. Johnson
Partner
Steffen Johnson is an experienced appellate practitioner who co-chairs the firm's national Supreme Court and Appellate practice.
John Karin
Partner
John is a partner with experience managing all stages of large, bet-the-company litigation across the United States and abroad.
Luis Li
Partner
An accomplished trial lawyer and fellow of the American College of Trial Lawyers, Luis Li has led and played an integral role in numerous high-stakes, high-profile trials for a wide range of clients and has tried dozens of cases to verdict in state and federal courts across the country. He currently serves as the lead trial lawyer representing YouTube and Google in the first landmark bellwether case asserting claims against social media companies for the allegedly addictive design of their platforms. Luis is consistently recognized in the Chambers USA guide, where his clients have described him as “Spectacular in court with a limitless pool of skills – down to earth and can talk to a jury” and as a “Top trial lawyer - just outstanding on his feet in front of a jury in court.” His experience includes complex business litigation, corporate crisis management, internal investigations, white collar criminal defense, and international enforcement matters. Luis has represented a variety of leading companies and individuals across a range of industries, including technology, biotech, aerospace, media and entertainment, sports, oil and gas, social media, and cultural institutions. His background as a former assistant United States attorney has served to establish him as a trusted advisor for the most complex cases and sensitive internal corporate investigations.
Matthew Macdonald
Partner
Matthew Macdonald focuses on high-stakes litigation in federal and state courts across the country, with experience defending clients in cutting-edge disputes in technology, life sciences, intellectual property, and other areas.
Melissa Mills
Partner
Melissa Mills is a litigation partner in the Los Angeles and Washington, D.C., offices of Wilson Sonsini Goodrich & Rosati, where she is a member of the firm’s national team of trial lawyers known for its success in litigating cutting-edge disputes in technology, intellectual property, and other areas. She is a co-chair of the firm’s complex litigation practice and a member of the board of directors of the Wilson Sonsini Foundation.
Eli B. Richlin
Partner
Eli Richlin practices in the New York office of Wilson Sonsini Goodrich & Rosati, where he maintains a broad practice focused on litigation pending in New York federal and state courts covering general commercial matters, intellectual property disputes, white collar criminal defense and internal investigations, and government and regulatory enforcement proceedings.
Paul J. Sampson
Partner
Paul J. Sampson is a partner in the Salt Lake City office of Wilson Sonsini Goodrich & Rosati, where he deals with all aspects of high-stakes litigation, including trial.