Lukas Walton

Already counted as one of the richest people in the world with a net worth of $16.5 billion, Lukas Walton came into his inheritance after his father, John T. Walton, died in a plane crash in 2005. The philanthropist and investor is dedicated to environmental innovation and social impact, heading up the Environment Program Committee of his family's far-reaching foundation. He studied environmentally sustainable business at Colorado College and energy efficiency and hydrological/geothermal energy in Reykjavik, Iceland.

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