Jonna Mendez is a former Chief of Disguise with the Central Intelligence Agency (CIA). She worked with the Agency for 27 years, and during her time there, she served as a technical operations officer and as the CIA's Chief of Disguise. She retired from the CIA in 1993 and later co-authored the book "Spy Dust: Two Masters of Disguise Reveal the Tools and Operations That Helped Win the Cold War" with her husband Antonio Mendez. The book details their experiences working for the CIA during the Cold War, including their work with Soviet defector Aldrich Ames.