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Image 2 of 25 2. Ray Dalio – heads the country’s largest hedge fund and is an engaged philanthropist. 2. Ray Dalio – heads the country’s largest hedge fund and is an engaged philanthropist. Photo: Bloomberg

Image 3 of 25 3. Oprah Winfrey – founder of the Oprah Winfrey Show, advocate, actress and philanthropist. 3. Oprah Winfrey – founder of the Oprah Winfrey Show, advocate, actress and philanthropist. Photo: (Credit too long, see caption)

Image 4 of 25 4. Jerome Kohlberg (no picture available) – co-founder of KKR – large leveraged buyout firm, contributes to education and has funded campaign finance reform. 4. Jerome Kohlberg (no picture available) – co-founder of KKR – large leveraged buyout firm, contributes to education and has funded campaign finance reform. Photo: Getty Images

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Image 6 of 25 5. Barry Diller – media, cable business, believes in the public airwaves as a public trust. 5. Barry Diller – media, cable business, believes in the public airwaves as a public trust. Photo: AP

Image 7 of 25 6. John Arnold – former energy trader, now promoting the Giving Library connecting philanthropists with nonprofits, among many other projects. 6. John Arnold – former energy trader, now promoting the Giving Library connecting philanthropists with nonprofits, among many other projects. Photo: ASSOCIATED PRESS

Image 8 of 25 7. Ted Turner – cable television business, philanthropy includes $1 billion to the United Nations and other major donations to environmental, peace and population control programs that he advocates. 7. Ted Turner – cable television business, philanthropy includes $1 billion to the United Nations and other major donations to environmental, peace and population control programs that he advocates. Photo: Getty Images

Image 9 of 25 8. Thomas Siebel – software company creator, heads several companies in software, real estate and agriculture, and creator of the annual educational Siebel Scholars program. 8. Thomas Siebel – software company creator, heads several companies in software, real estate and agriculture, and creator of the annual educational Siebel Scholars program. Photo: ASSOCIATED PRESS

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Image 11 of 25 9. Chase Coleman (no picture available) – successful money manager and creates venture capital firms.) 9. Chase Coleman (no picture available) – successful money manager and creates venture capital firms.) Photo: Getty Images

Image 12 of 25 10. Marc Andreessen – supports Silicon Valley entrepreneurs and advances all-investing-partner philanthropic commitments. 10. Marc Andreessen – supports Silicon Valley entrepreneurs and advances all-investing-partner philanthropic commitments. Photo: Bloomberg

Image 13 of 25 11. David Rubenstein – former, energetic White House assistant to President Carter and co-founder of a successful venture capital firm – the Carlyle Group – expanding philanthropist and convener. 11. David Rubenstein – former, energetic White House assistant to President Carter and co-founder of a successful venture capital firm – the Carlyle Group – expanding philanthropist and convener. Photo: AP

Image 14 of 25 12. Steve Case – former CEO and chairman of AOL and exuberant philanthropist for innovative projects. 12. Steve Case – former CEO and chairman of AOL and exuberant philanthropist for innovative projects. Photo: ASSOCIATED PRESS

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Image 16 of 25 13. Sheryl Sandberg – COO of Facebook, author of Lean In: Women, Work, and the Will to Lead and a co-founder of the Lean In Foundation which supports women in reaching their career goals. 13. Sheryl Sandberg – COO of Facebook, author of Lean In: Women, Work, and the Will to Lead and a co-founder of the Lean In Foundation which supports women in reaching their career goals. Photo: Bloomberg

Image 17 of 25 14. Bill Gross – leading bond mutual fund manager, supports, among other organizations, Doctors Without Borders. 14. Bill Gross – leading bond mutual fund manager, supports, among other organizations, Doctors Without Borders. Photo: Charles Schwab Public Relations

Image 18 of 25 15. William Conway – co-founder of Carlyle Group – whose priority philanthropic mission is to generate job producing activities. 15. William Conway – co-founder of Carlyle Group – whose priority philanthropic mission is to generate job producing activities. Photo: Bloomberg

Image 19 of 25 16. Stanley Druckenmiller – investment firm manager, now giving to medical research, education and the fight against poverty. 16. Stanley Druckenmiller – investment firm manager, now giving to medical research, education and the fight against poverty. Photo: ASSOCIATED PRESS

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Image 21 of 25 17. Abigail Johnson – President of Fidelity Investments, trustee of the Fidelity Foundation which has provided over $200 million to nonprofits in the United States and Canada. 17. Abigail Johnson – President of Fidelity Investments, trustee of the Fidelity Foundation which has provided over $200 million to nonprofits in the United States and Canada. Photo: Boston Globe via Getty Images

Image 22 of 25 18. Tom Golisano – former independent candidate for Governor of New York, founder and Chairman of the Board of Paychex. 18. Tom Golisano – former independent candidate for Governor of New York, founder and Chairman of the Board of Paychex. Photo: ASSOCIATED PRESS

Image 23 of 25 19. Bill Gates, III – co-founder of Microsoft, now more of a philanthropist with emphasis on prevention of infectious diseases and education. 19. Bill Gates, III – co-founder of Microsoft, now more of a philanthropist with emphasis on prevention of infectious diseases and education. Photo: JOSHUA TRUJILLO

Image 24 of 25 20. George Kaiser – chairman of BOK Financial Corporation, and advocate for renewable energy and tax reform. 20. George Kaiser – chairman of BOK Financial Corporation, and advocate for renewable energy and tax reform. Photo: WireImage