Gary Klein

Gary A. Klein , Ph.D., is a renowned cognitive psychologist and pioneer in naturalistic decision-making.

He developed influential models like the Recognition-Primed Decision (RPD) model and the Data/Frame model of sensemaking.

Klein founded Klein Associates in 1978, which grew significantly before he sold it in 2005.

He later established ShadowBox LLC in 2014.

Klein has authored five books and is known for innovative methods such as Cognitive Task Analysis and the PreMortem risk assessment technique.

His work focuses on understanding and improving decision-making in complex, real-world situations, particularly in high-pressure environments.