David has been appointed as a special deputy prosecuting attorney by numerous government entities as outside counsel in connection with opioid litigation against drug manufacturers and distributors of prescription opioids. David is one of the lead attorneys handling the firm's opioid cases and represents counties, cities and Native American Tribes in Washington, California, Arizona and Idaho.

David practices in the firm’s nationally recognized Complex Litigation Group where he represents government entities, retirement plans, institutional investors, ESOPs, and individuals in federal and state courts across the country. David focuses on cases involving breaches of fiduciary duty under ERISA, consumer protection violations, securities misrepresentations, and general corporate malfeasance. He has made substantial contributions to several multimillion dollar recoveries against some of the largest corporations in the country.