Mason C. Clutter was appointed the DHS Chief Privacy Officer/Chief FOIA Officer on April 23, 2023. Prior to her appointment, she served as the Acting Chief Privacy Officer/Chief FOIA Officer and as the Senior Policy Advisor to the Chief Privacy Officer. 

Before joining DHS, Mason held a variety of roles at the Privacy and Civil Liberties Oversight Board (PCLOB), an independent agency with a mission to ensure that efforts to prevent terrorism are balanced with privacy and civil liberties. She joined the Board in 2014. During her tenure, Mason’s roles in the agency included Attorney-Advisor, FOIA Officer, Counselor to Board Member Ed Felten, and Acting Executive Director. She also served on a detail to the Office of the Director of National Intelligence, Office of the General Counsel from 2017-2019, handling FOIA and other civil litigation matters and serving as special counsel to the Director of the Information Management Division. She departed the PCLOB in 2022. 

Mason has also served in various roles in non-government organizations. She served as National Security and Privacy Counsel at the National Association of Criminal Defense Lawyers, Rule of Law Counsel at the Constitution Project, and Research Associate at the Yale Law School Lowenstein International Human Rights Clinic, National Litigation Project. Mason also served pro bono as a Screening Committee Member for the Mid-Atlantic Innocence Project. Prior to moving to D.C., Mason practiced as a civil defense litigator in Orlando, Florida. 

She holds an LL.M in Law and Government from American University, Washington College of Law, a J.D. from Barry University School of Law, and a B.A. in Legal Studies from The University of Central Florida.