• U.S. Senator (R), Arizona
    • Videos [24]
  • Fmr. Pres. & CEO, Viacom
    • Videos [29]
  • CEO, American Ass. of Retired Persons (AARP)
    • Videos [27]
  • Comedian, Writer, and Producer
    Former Executive Producer, "The Daily Show"
    • Videos [41]
  • Chmn. & CEO, EuroNews
    • Videos [18]
  • Chef / Restaurateur
    • Videos [26]
  • Venture Capitalist and Technology Entrepreneur
    President, Clarium Capital Management
    • Videos [34]
  • fmr. U.S. Vice President; Chmn. Cerberus Capital
  • Founder, President & CIO, Bridgewater Associates
  • Co-Founder and CEO, Big Think
    • Videos [4]
  • Psychologist and Linguist
    Professor of Psychology, Harvard University
    • Videos [31]
    • Articles [1]
  • Fmr. Governor, Massachusetts (R)
    • Videos [21]
  • Pres., Movement for Democratic Change (Zimbabwe)
    • Videos [20]
  • Politician
    Fmr. President of Ireland
    • Videos [23]
  • Bioethicist, National Institutes of Health
    • Videos [23]
  • Author & Academic
    Professor of Management, Harvard Business School
    • Videos [24]
  • President, UPenn; Political Theorist
    • Videos [11]
  • Economist
    Charles W. Eliot University Professor and President Emeritus, Harvard University
    • Videos [36]
  • Author and Podcaster
    Novelist / Host, "Studio 360"
    • Videos [32]
  • Chairman, Wikia; Co-Founder, Wikipedia
    • Videos [41]