Deirdre Mulligan takes the role of U.S. deputy chief technology officer, according to a person familiar with the matter.

Purohit last month took over from Julie Berarducci, who has left federal government.

Zarek served as a U.S. deputy CTO during the Obama administration.

The deletion of Secret Service phone records around the time of the Jan. 6 Capitol riot raises wider questions about the collection of staff cell phone data…

The DOD chief technology office issues a new list of priorities and an initial "vision" for turning them into military capabilities.

Kathleen Hicks says the department is trying to shift the focus of the role more towards innovation.

Hiring a CTO has been a top priority of the corps' project to modernize the Army's operations.

He takes over from Frank Konieczny, who left the Air Force in February for a private sector role.

Munsell has been a big advocate for attracting talented technologists — both inside and outside of government — to work with NGA.

The DOD's CTO needs more teeth, according to the former Deputy Secretary of Defense and the National Security Commissions on Artificial Intelligence.