Yes, John Willard "Bill" Marriott Jr. is a billionaire and remains one of the most influential figures in the global hospitality industry in 2026. As the long-time CEO and current Executive Chairman of Marriott International, his wealth is primarily derived from his significant stake in the company founded by his parents. As of early 2026, his net worth is estimated to be well over $2.5 billion, fluctuating with the performance of Marriott stock, which oversees more than 8,000 properties across 30+ brands like Ritz-Carlton, Sheraton, and Westin. Despite his immense wealth, Bill Marriott is famously known for his "hands-on" leadership style and his "Success is Never Final" philosophy, often spending his time visiting hotels and writing his long-running "Marriott on the Move" blog. His legacy is defined not just by his billionaire status, but by his revolutionary introduction of "revenue management" to the hotel industry, a data-driven approach to pricing that transformed how hotels around the world operate today, making Marriott the largest hotel chain on the planet.