Colleen Roh Sinzdak

Primary Focus & Experience

Ms. Sinzdak specializes in appellate and complex litigation, especially in life sciences and health care, emerging technologies, bankruptcy and white collar. Ms. Sinzdak served almost six years in the Solicitor General’s Office, where she represented the United States before the Supreme Court and managed the United States’ litigation strategy before the courts of appeals and in major cases headed for the Supreme Court. She has argued before the Supreme Court 11 times and in courts of appeals on many occasions. Ms. Sinzdak has also been the principal drafter of more than 100 Supreme Court briefs and of numerous briefs before the courts of appeals and district courts. 

Recognition & Accomplishments

Ms. Sinzdak clerked for Judge Merrick Garland on the United States Court of Appeals for the District of Columbia Circuit and for Chief Justice John Roberts on the United States Supreme Court. Prior to joining the office of the Solicitor General, Ms. Sinzdak practiced in the litigation group at Covington & Burling, LLP and in the appellate practice at Hogan Lovells. Ms. Sinzdak received her J.D., summa cum laude, from Harvard Law School, her M.A. and a secondary B.A. from Cambridge University, and a B.A., summa cum laude, from Columbia University.