Actress, Humanitarian & Author; Known for "One Tree Hill"
Actor Known for "The Vampire Dairies;" Animal & Environmental Advocate; Founder of The Ian Somerhalder Foundation
Ian Somerhalder Shares His Love For Animals | PeopleTV
Co-Founder and Chief Scientist of Rocky Mountain Institute
Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO
Former Governor of New Mexico; Former U.S. Energy Secretary
Pulitzer Prize-Winning Journalist; Co-author of Half the Sky; Humanitarian