The richest hotel owner is undoubtedly Bill Gates, co-founder of Microsoft Corporation. His net worth is estimated to be $89.9 billion as of March 2020, making him the richest person in the world. Gates has been a director of Cascade Investment LLC, which controls stakes in various companies, since 1994. One of those companies is Four Seasons Hotels and Resorts, which he bought in 1996 for $3.8 billion. He also owns a stake in Corvias Group, a military housing company. In addition to his business interests, Gates has also donated billions of dollars to charitable causes through his foundation, the Bill & Melinda Gates Foundation.