Claire Diaz-Ortiz was an early employee at Twitter Inc., where she has led social innovation since 2009.Named one of the 100 Most Creative People in Business by Fast Company, she is the author of several books, including Twitter for Good: Change the World, One Tweet at a Time.Claire manages Twitter's social good initiatives, including the Twitter for Nonprofits and Twitter Ads for Good programs. She also works closely with religious leaders and organizations.Claire has been called everything from "The Woman Who Got the Pope on Twitter" (Wired) and "Twitter's Pontiff Recruitment Chief" (The Washington Post) to a "Force for Good" (Forbes) and "One of the Most Generous in Social Media" (Fast Company).She is a frequent international speaker at such diverse conferences as South by Southwest, BlogWorld, Personal Democracy Forum, and United Nations events. She is known for developing the TWEET model -- a framework to help organizations and individuals best excel on Twitter.Claire holds an MBA from Oxford University, where she was a Skoll Foundation Scholar for Social Entrepreneurship. She also holds a B.A. and an M.A. in Anthropology from Stanford University.She is the co-founder of Hope Runs, a non-profit organization operating in AIDS orphanages in Kenya. Claire also owns Saving Money Media, a five-year old network of websites that help families live better on less, and Do Well Media.Claire has lived on four continents and traveled to more than fifty countries. She has appeared widely in major television and print news sources, and has an unnatural passion for tiny houses and rooibus tea.Find her at www.ClaireDiazOrtiz.com, via @claire on Twitter or on email at claire@ClaireDiazOrtiz.com.