Bonnie E. John (born September 10, 1955) is an American cognitive psychologist who studies human–computer interaction, predictive human performance modeling, and the relationship between usability and software architecture. She was a founding member of the Human-Computer Interaction Institute at Carnegie Mellon University, a research staff member at IBM's Thomas J. Watson Research Center, and the director of computation and innovation at The Cooper Union. She is currently a UX designer at Bloomberg L.P.
