Arianna Stassinopoulos Huffington is a Greek and American author, syndicated columnist and businesswoman. She is a co-founder of HuffPost, the founder and CEO of Thrive Global, and the author of fifteen books. She has been named in Time magazine's list of the world's 100 most influential people and the Forbes Most Powerful Women list. Huffington serves on numerous boards, including Onex and Global Citizen.
Two of her books have been dogged by allegations of plagiarism, for one of which she paid another author an out-of-court settlement. Her last two books, Thrive: The Third Metric to Redefining Success and Creating a Life of Well-Being, Wisdom, and Wonder and The Sleep Revolution: Transforming Your Life, One Night at a Time, both became international bestsellers.
Huffington, the former wife of Republican congressman Michael Huffington, co-founded The Huffington Post, which was later acquired by BuzzFeed. She was a popular conservative commentator in the mid-1990s, after which, in the late 1990s, she offered liberal points of view in public, while remaining involved in business endeavors.