Claire Diaz-Ortiz

Author / Angel Investor at Claire Diaz Ortiz

Claire Díaz-Ortiz is an investor & bestselling author who was an early employee at Twitter. Wired magazine once called her “The Woman Who Got the Pope on Twitter” and Claire has also been named one of the 100 Most Creative People in Business by Fast Company.

Claire is the bestselling author of 9 books translated into 11 languages, including One Minute Mentoring (with her mentor Ken Blanchard), Social Media Success for Every Brand, and Twitter for Good. Her next book will focus on women founders and funders.

Claire is currently an angel investor focused on the USA and Latin America. She was an investing partner at Magma Partners, a leading Latin American seed fund, and spun out Brava, Magma’s initiative to invest in women founders in Latin America, which invested $4M in 20+ female founders. She is an advisor and LP in a handful of global seed funds.

In Claire’s work, she has been called everything from “The Woman Who Got the Pope on Twitter”(Wired) & “Twitter’s Pontiff Recruitment Chief” (The Washington Post) to a “Force for Good” (Forbes) & one of the “Ten Most Generous in Social Media” (Fast Company). In a quote not soon to be forgotten (LOL), TechCrunch recently called Claire “a globe-trotting, multi-hyphenate polymath.” Claire was one of the first users of Twitter in Kenya, and is also known for the dubious honor of being the first person to live-tweet her own child’s birth, which was admittedly a bad idea.

She writes a mediocre newsletter at, where 15,000 people have been reading her online for 15+ years now. (Sign up at your own risk at She is also a LinkedIn Influencer, one of several hundred global leaders chosen to provide original content for the LinkedIn platform.

Claire holds an MBA from Oxford University, where she was a Skoll Foundation Scholar for Social Entrepreneurship and has a BA in History with Honors in Feminist Studies and an MA in Anthropology from Stanford University.

She was the co-founder of Hope Runs, a non-profit organization operating in AIDS orphanages in Kenya from 2006 to 2019.

She has appeared widely in media like CNN, BBC, Time, Newsweek, The New York Times, Good Morning America, The Today Show, The Washington Post, TechCrunch, Fortune, Forbes, Wired and many others.

Claire lives with her family of small children in Argentina, where things could be more streamlined.

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