Which mathematician-turned-CEO pioneered the use of predictive algorithms in retail that now powers many product recommendation systems?

The world of mathematics has significantly influenced modern product development and retail technology. Many mathematical principles underpin the algorithms that power today's retail AI systems, recommendation engines, and inventory optimization tools. This trivia question focuses on a famous mathematician who transitioned to become a significant figure in product development and retail technology.

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Andrew Ng, who developed the mathematics behind collaborative filtering while at Stanford before founding Coursera
Jeff Bezos, who applied mathematical optimization to revolutionize Amazon's supply chain before implementing its recommendation engine
Demis Hassabis, whose mathematical game theory work at Cambridge led to DeepMind's retail analytics systems
Cathy O'Neil, whose mathematical modeling at D.E. Shaw informed her work on retail algorithmic systems before writing 'Weapons of Math Destruction'