Arianna Huffington is a Greek-American author, businesswoman, and media personality, best known as the co-founder of The Huffington Post, a popular online news and blog platform. She has written several books on topics such as wellness, productivity, and the importance of sleep, reflecting her interest in health and well-being. In addition to her work in media, Huffington founded Thrive Global, a company focused on promoting well-being and reducing stress in the workplace. She has been recognized for her contributions to journalism and has received numerous awards, including being named to Forbes' list of the world's most powerful women.