John S. Hammond

John S. Hammond is a management consultant, academic, and expert in decision-making psychology and strategic planning. Having taught at Harvard Business School, he specializes in helping executives overcome cognitive biases to make optimal choices.

He is best known as the co-author of Smart Choices: A Practical Guide to Making Better Decisions (with Ralph L. Keeney and Howard Raiffa), which offers a structured framework for evaluating alternatives and managing risk. His methodologies are widely applied in corporate boardrooms.

Through his advisory work and academic publications, Hammond has empowered generations of managers to approach complex problems with rigorous logic. His decision-making frameworks remain enduring business classics.