Claire Diaz-Ortiz leads social innovation at Twitter, Inc., and is the author of several books, including TWITTER FOR GOOD: Change the World One Tweet at a Time. Named one of the 100 Most Creative People in Business by Fast Company, she is a frequent international speaker on social media, business and innovation and writes a popular business blog at www.clairediazortiz.com. She holds an MBA from Oxford University and an MA and BA in anthropology from Stanford University. She is cofounder of Hope Runs, a non-profit organization operating in AIDS orphanages in Kenya. Claire has been called a "mover and shaker" by Mashable, "the woman who got the pope on Twitter" by The Washington Post, a "force for good" by Forbes, and "one of the most generous in social media" by Fast Company. She has been widely written about in such publications as the New York Times, Business Week, The Washington Post and Forbes.

Books by Claire Diaz-Ortiz

Hope Runs: An American Tourist, a Kenyan Boy, a Journey of Redemption

by Claire Diaz-Ortiz and Samuel Ikua Gachagua - Christian, Nonfiction

Claire Díaz-Ortiz went to Kenya to climb a mountain. But God had other plans. HOPE RUNS is the emotional story of an American tourist, a Kenyan orphan, and how one day became one year that would change the course of both of their lives forever. It's about opening your heart to outrageous possibilities. It's about what it means to hope for the things you cannot see. It's about how God can change your life in the blink of an eye.