Amy Kossak is a partner in Ropes & Gray’s litigation & enforcement practice group and a member of the firm’s Chambers Band-1-ranked False Claims Act (FCA) practice. With a decade of experience investigating and litigating FCA cases on behalf of the federal government, Amy brings exceptional skills and knowledge to clients facing government investigations and enforcement actions. Known for her integrity as well as her thoroughness, Amy is a seasoned advocate with a practical approach.

Amy's FCA practice is informed by her extensive knowledge of the healthcare and life sciences sectors, gained during her time in the Fraud Section of the U.S. Department of Justice (DOJ), Civil Division. As a Senior Trial Counsel, Amy managed a nationwide docket of FCA cases through all phases of investigation, litigation and settlement. She also provided strategic advice to political appointees and managed some of the highest-profile and politically sensitive matters on DOJ’s docket while serving for a time as Counsel in the Office of the Assistant Attorney General for the Civil Division. In addition, she was an E-Discovery Advisor for several years and brings an efficient and strategic approach to e-discovery challenges. Amy received the prestigious Attorney General’s Award for Distinguished Service in 2024.

Amy previously served as an adjunct professor at Georgetown University Law Center, where she taught a civil litigation practice seminar. Prior to joining DOJ, she practiced at a major law firm based in Washington, D.C., where she represented clients in civil, criminal and government investigation matters. 

Areas of Practice