Arianna Stassinopoulos Huffington is a Greek American author, syndicated columnist and businesswoman. She is a co-founder of The Huffington Post, the founder and CEO of Thrive Global, and the author of fifteen books. She has been named to Time magazine's list of the worlds 100 most influential people and the Forbes Most Powerful Women list.

Huffington was born Ariadnē-Anna Stasinopoúlou (Αριάδνη-Άννα Στασινοπούλου) in Athens, Greece, in 1950, the daughter of Konstantinos (a journalist and management consultant) and Elli (née Georgiadi) Stasinopoulou, and is the sister of Agapi (an author, speaker, and performer). She moved to the United Kingdom at the age of 16 and studied economics at Girton College, Cambridge, where she was the first foreign, and third female, president of the Cambridge Union. She studied abroad in India, and told IANS in an email interview "India has long held a special place in my heart, from the time I went to study comparative religion at Visva-Bharati University".