U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Taking Measure

Just a Standard Blog

Mary Theofanos

portrait of Mary Theofanos

Mary Theofanos is a computer scientist with NIST’s Material Measurement Laboratory where she performs research on usability and human factors of systems.  Mary is the project lead for the Public Safety Communications Research (PSCR) usability effort evaluating human factors and usability of PSCR technology. She is the program manager responsible for developing standards for usability.  She represents NIST on the ISO JTC1 SC7 TAG and is convener of WG 28 on the usability of software systems.  She is the principal architect of the Usability and Security Program evaluating the usability of cybersecurity and biometric systems.