Julia Annas is Regents Professor of Philosophy Emerita at the University of Arizona. Before that she taught at the University of Oxford (St Hugh's College) and she has also taught at Columbia University. She is a member of the American Academy of Arts and Sciences and an Honorary Fellow of St Hugh's College, Oxford. She has been a Senior Fellow of the Center for Hellenic Studies, Washington DC, and President of the Pacific Division of the American Philosophical Association 2004-5, and has an honorary doctorate from the University of Uppsala. Annas has written a number of books and articles over a wide range of ancient philosophy, from Plato to the Hellenistic period, including An Introduction to Plato's Republic, The Morality of Happiness, and Platonic Ethics Old and New.