An approachable manner belies the fact that Sonu Shivdasani is an impressive name in the travel industry. As the creator—along with his Swedish wife, Eva—of the Soneva and Six Senses resorts, Shivdasani is a pioneer in the development of sustainable tourism. He established a highly successful template for eco-luxury properties and defined the term “barefoot chic.” Those who have been to one of his resorts will remember these properties for their beauty, attention to detail and pervasive sense of...