Bill Clinton (pictured right), Founder of Clinton Foundation and 42nd President of United States.

1. Bill Clinton - Former President of United States

2. Jon Duschinsky - President & CEO, Be the Change

3. Michael Porter - Author and Harvard Business School Professor

4. Marc Benioff - Chairman & CEO, Salesforce.com and author of The Business of Changing the World

5. Sarah Libbey - President, Fidelity Charitable Gift Fund

6. Dr. Emmett Carson - President & CEO at Silicon Valley Community Foundation

7. Laura Arrillaga-Andreessen - Founder and chairman emeritus of Silicon Valley Social Venture Fund

8. Andrew Watt - President & CEO, Association of Fundraising Professionals

9. Geoffrey Canada - President & CEO, Harlem Children's Zone

10. Lisa Paulsen - President & CEO, Entertainment Industry Foundation

11. Rev. Larry Snyder - President & CEO, Catholic Charities USA

12. Jane Wales - President & Co-Founder, Global Philanthropy Forum

13. Zia Khan - Vice President at Rockefeller Foundation

14. H. Art Taylor - President & CEO, BBB Wise Giving Alliance

15. Sterling Speirn - President & CEO, W.K. Kellogg Foundation

16. Henry Berman - President & CEO at Association of Small Foundations

17. Robert H. Dunn - President & CEO, The Synergos Institute (creators of Global Philanthropists Circle).

18. Robert Forrester - President & CEO, Newman's Own Foundation

19. Kathleen Enright - President & CEO of Grantmakers for Effective Organizations

20. Jeffrey Solomon - President of Andrea and Charles Bronfman Philanthropies and Co-author of the best-selling book The Art of Giving