Guests 133 Guests
- Peter Orszag Chairman, Citigroup’s Public Sector Division
- Jaime Lucas Ortega Y Alamino Archbishop, Archdiocese of Havana; Cardinal
- Maureen Orth Journalist, Vanity Fair
- Peter Orzag Vice Chairman of Investment Banking and Global Co-Head of Healthcare, Lazard
- David Osborne Author
- Frances Osborne Author
- George Osborne Former Chancellor of the Exchequer, U.K.; Member of Parliament, Tatton
- Charles Osgood Anchor and Editor, CBS News
- Michael Oskenberg Senior Fellow, Asia–Pacific Research Center, Stanford University
- K. T. Oslin Singer-Songwriter
- Haley Joel Osment Actor
- Evan Osnos Staff Writer, The New Yorker
- Pepon Osorio Artist
- Diana Ossana Author; Screenwriter
- Michelle Ostermiller Dog Handler
- Richard Ostling Author
- Jeremiah P. Ostriker Provost, Professor of Astrophysics, Princeton University
- Paul Otellini President and C.E.O., Intel
- Nicolai Ouroussoff Guest Host
- Dennis Overbye Science Reporter, The New York Times
- Michael Ovitz Entertainment Industry Executive; Founder, Artists Management Group; Founder, Artists Production Group
- Clive Owen Actor
- David Owen Former British Foreign Secretary
- Major Owens Representative, (D) New York
- William Owens Former Vice Chairman of the Joint Chiefs of Staff; Author
- Michael Oxley Representative, (R) Ohio
- David Oyelowo Actor
- Amos Oz Author
- Mehmet Oz Author; Surgeon, New York Presbyterian-Columbia University Hospital
- Seiji Ozawa Conductor, Boston Symphony Orchestra
- Ray Ozzie Chairman and C.E.O., Groove Networks
- Michael O’Hanlon Senior Fellow. Brookings Institution
- Olivier O’Mahony U.S. Bureau Chief, Paris Match