David S. Rosenbloom is the global head of McDermott’s Litigation Practice Group and is a member of the Firm’s Management and Executive Committees. He focuses his practice on the areas of defense of criminal investigations and trials, qui tam litigation, healthcare fraud and abuse compliance, internal investigations and complex commercial litigation. David has extensive experience defending healthcare providers and manufacturers as well as handling criminal antitrust defense and Securities and Exchange Commission (SEC) matters. David has represented numerous corporate and individual clients in connection with government investigations, including serving as lead defense counsel in jury trials that resulted in acquittals for individual and corporate defendants. David also has represented special committees of the board of directors of public corporations conducting internal investigations.

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  • Lead counsel for a healthcare executive acquitted of alleged healthcare fraud
  • Lead counsel for a corporate defendant acquitted of antitrust conspiracy
  • Defended numerous qui tam cases on behalf of manufacturers, providers, health systems, universities and academic medical centers

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  • BTI Client Service All-Star, 2019 to 2020
  • The Best Lawyers in America 2009 to 2022, including 2016 “Lawyer of the Year,” Criminal Defense: White-Collar in Chicago, and 2018 “Lawyer of the Year,” Bet-the-Company Litigation in Chicago
  • Acritas Stars 2020, listed among independently rated lawyers
  • Chambers USA 2005 to 2021, Litigation: White-Collar Crime & Government Investigations (Band 1)
  • Legal 500 US, 2010 to 2021

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  • Digestive Health Foundation, board of directors
  • Angel Flight Central, Volunteer Pilot


Harvard Law School, JD, magna cum laude, 1985
Colorado College, BA, magna cum laude, 1982


David S. Rosenbloom

Insights & Events / Media

Chicago, Illinois / McDermott Event / September 27, 2018

Healthcare Enforcement Quarterly Roundup / Q2 | July 2018

Chicago, Illinois / McDermott Event / October 25, 2017

Bal Harbour, Florida / McDermott Event / November 10, 2016