Jonnie Boer, Netherlands

Boer started his illustrious career when he was just 24 years old by becoming the head chef of a restaurant that's located in a 16th-century monastery library. Three years later, he bought the restaurant. One year later, he earned his first Michelin star. By 1999, he became the youngest chef in the Netherlands to earn two Michelin stars. One year after that, Boer was knighted.