David is a partner in the firm’s nationally recognized Complex Litigation Group, where he represents plaintiffs in federal and state courts across the country in a wide variety of cases involving corporate wrongdoing.

He has helped his clients—including government entities, retirement plans, institutional investors, and consumers—obtain multimillion-dollar recoveries against some of the largest corporations in the country.

Most recently, David has been at the center of the firm’s largest and most high-profile cases. He has been appointed as a special deputy prosecuting attorney by numerous government entities as outside counsel in litigation against manufacturers, distributors, and dispensers of prescription opioids for their role in creating and fueling the opioid crisis. David is one of the lead attorneys handling the firm’s opioid cases and represents counties, cities, and Native American tribes in Washington, Arizona, California, Colorado, Idaho, and New York in the National Opioid Multi-District Litigation. He serves on various committees in the Opioid MDL, including on the expert committee where he is one of the primary attorneys handling the causation, damage, and abatement experts.

David is also one of the lead attorneys in the MDL In re: Facebook, Inc. Consumer Privacy User Profile Litigation, arising out of the Cambridge Analytica scandal and Facebook’s disclosure of user information to third parties without their consent. He also serves on the expert committee in the MDL, In re: JUUL Labs, Inc. Mktg., Sales Practices, & Prods. Liab. Litig., alleging that JUUL is responsible for creating the youth vaping epidemic.  

David also has trial experience at both federal and state court. He was a lead trial attorney in a 14-week bench trial in the Northern District of Illinois involving breach of fiduciary duty claims under ERISA. David was also part of the trial team representing three Federal Home Loan Banks that successfully objected to a proposed $8.5 billion settlement arising out of Bank of America’s purchase of Countrywide in a three-month trial in New York Supreme Court.

David also recently represented thousands of Super Bowl ticket holders against various ticket brokers engaged in short-selling, including filing the first class action arising out of this widespread and deceptive practice.

Prior to joining the firm, David clerked for the Honorable Ricardo S. Martinez, Chief U.S. District Judge in the Western District of Washington. David is also past President of the Korean American Bar Association of Washington, and a Fellow of the Washington Leadership Institute.