S. Robson Walton
Born: October 10, 1944
Nationality: United States of America
Biography: Samuel Robson "Rob" Walton (born October 28, 1944) is an heir to the fortune of Walmart, the world's largest retailer. He is the eldest son of Helen Walton and Sam Walton. He served as Chairman of Walmart from 1992 to 2015. As of March 2018, Walton had a net worth of $41.7 billion, making him the 17th richest person in the world.