Business of Giving
The Resource for the Philanthropy, Business & Giving Communities
Michael Chatman, Host of #WHYiGIVE, Selects America's Top 25 Thought Leaders in Philanthropy and Social Innovation

Peter Buffett

Peter Buffett (pictured right with his father Warren Buffett and hip hop recording artist, Akon) leads the distinguished list of the best thought leaders in philanthropy and social innovation.


1. Peter Buffett, philanthropist and second son of investor Warren Buffett -

2. Craig Newmark, founder of Craigslist, Inc. -

3. Claire Diaz-Ortiz, Head of Corporate Social Innovation, Causes & Philanthropy at Twitter, Inc. -

4. Risa Lavizzo-Mourey, M.D., M.B.A., president and CEO of the Robert Wood Johnson Foundation -

5. John Wood, founder, Room to Read, and author, Leaving Microsoft to Change the World -

6. Amanda Rose, founder, Twestival -

7. Jennifer Aaker, coauthor, The Dragonfly Effect, and professor, Stanford University Graduate School of Business -

8. Melissa Berman, president & CEO, Rockefeller Philanthropy Advisors -

9. Alberto Ibarguen, president and CEO, John S. and James L. Knight Foundation -

10. Vikki Spruill, president and CEO, The Council on Foundations -

11. Jeff Swartz, president and CEO, Timberland -

12. Paul Brest, president, William and Flora Hewlett Foundation, and co-author of Money Well Spent: A Strategic Plan for Smart Philanthropy -

13. Emmett D. Carson, CEO and president, Silicon Valley Community Foundation -

14. Johanna Mair, Academic Editor, Stanford Social Innovation Review -

15. Mark R. Kramer, founder and managing partner of FSG and Senior Fellow at Harvard University -

16. Beth Kanter, coauthor, Networked Nonprofit -

17. Laura Arrillaga-Andressen, author of Giving 2.0 -

18. Diana Aviv, president and CEO, Independent Sector -

19. Andrew Watt, president and CEO, Association of Fundraising Professionals -

20. Jon Duschinsky - founder of The Conversation Farm -

21. Anna Cunningham, Manager, Global Responsibility, Starbucks Coffee Company -

22. Stacy Palmer, Editor, Chronicle of Philanthropy -

23. Jeff Raikes, Chief Executive Officer, Gates Foundation -

24. Luis A. Ubinas, President, Ford Foundation,

25. Robert Gallucci, President, MacArthur Foundation,

Michael Chatman, one of the most listened-to voices in philanthropy and social innovation with 250,000 followers on Twitter, provides market strategy for America's leading thought leaders in philanthropy and social innovation, and positions their message to achieve greater social impact.

Mr. Chatman, founder of Philanthropy Speakers Agency and host of #WHYiGIVE, is credited with building one of the most popular brands in the philanthropic sector. Follow Michael's Twitter feed at:

The Business of Giving
Gloria King
Director of Communications