Gianna Angelopoulos-Daskalaki (born Ioanna Daskalaki, December 12, 1955) is a Greek businesswoman and Ambassador-at-Large for the Hellenic Republic. She is best known for being the leader of the bidding and organizing committees for the 2004 Summer Olympics in Athens. In July 2019, she was appointed by Prime Minister Kyriakos Mitsotakis, to lead Greece 2021, a year-long initiative to both commemorate the 200th anniversary of the Greek Revolution and to introduce to the world a new Greece of effort and optimism. She was named one of the 50 most powerful women by Forbes magazine and is the author of the New York Times Bestseller My Greek Drama.