Nadia Yassir is the chief of staff at the Counter Terror Unit based in Los Angeles. She is of Middle Eastern descent and experiences racial profiling as a result. She is romantically linked, however briefly, to Milo Pressman and concerned with tracking down and apprehending, however briefly, Jack Bauer. Nadia earned her undergraduate degree at the University of Michigan before attending the CIA Academy. Later, she became an agent in the CIA and the Director of Intelligence at CTU based in Detroit.