Tim Cook, Bill Gates, Warren Buffet And More Philanthropists Who Are Giving Their Fortunes Away

Tim Cook announced he will give away his fortune to charity in an interview with Fortune published Friday. Cook revealed he has been giving money to charity and plans to develop a philanthropic system in the future. Cook's net worth is around $120 million. "You want to be the pebble in the pond that creates the ripple for change," Cook said. The Apple CEO is not the only wealthy individual donating their fortune to charity.

Chuck Feeney

Any list discussing wealthy philanthropists has to start with Feeney. The co-founder of the Duty Free Shoppers Group has quietly donated $6.2 billion through his foundation, the Atlantic Philanthropies, Forbes reported. Atlantic was established in 1982 and did not go public until 1997. "I had one idea that never changed in my mind -- that you should use your wealth to help people," Feeney said in his biography "The Billionaire Who Wasn't." Feeney's foundation provides grants for education, heath, peace, human rights, youth programs and quality of life for the elderly. Atlantic's goal is to donate the entirety of Feeney's $7.5 billion fortune by 2016 and cease operations by 2020.

Yu Pengnian

The Chinese billionaire hotelier gave up his vast fortune in 2010. The Yu Pengnian foundation received a final donation of $470 million in assets in 2010 -- bringing the total donations to $1.2 billion. "This will be my last donation. I have nothing more to give away. It will all be for charity, no part of it will be inherited by anyone, no part will be used to do business or for investments," Pengnian said in a statement. Pengnian has donated to education, reconstruction efforts after the 2008 Sichuan earthquake and cataracts operations and research.

Pierre and Pam Omidyar

As the founder of eBay, Pierre Omidyar is worth $8.1 billion. Omidyar and his wife, Pam Omidyar, launched the Omidyar Group and have donated $1 billion to non- and for-profit organizations, Inc. Magazine reported. Omidyar spent around $250 million to launch First Look Media and the Intercept -- home to Glenn Greenwald.

Jack Ma

Alibaba co-founder Jack Ma and CEO Joe Tsai established two separate trusts that are worth around $3.4 billion, CNN Money reported. Ma said the trust would provide funding to health care, environmental issues such as clean water and pollution, education and cultural efforts, the Wall Street Journal report. The trusts will be supported by 2 percent of Alibaba's current equity as of 2014.

The Giving Pledge

The Bill and Melinda Gates and Warren Buffet's charitable efforts -- over $5.5 billion in donations in 2013 and 2014 -- are well known and the multi-billionaires launched the Giving Pledge to further philanthropic efforts from the wealthy. The Omidyas, Mark Zuckerberg, Ted Turner, Feeney, Carl Icahn, Elon Musk, Michael Bloomberg, T. Boone Pickens and David Rockefeller are just a few wealthy individuals who have signed up to the project.