Mark Zuckerberg: Mark Zuckerberg is one of the youngest self-made billionaires in the world.
The Facebook founder signed the Giving Pledge.
He promised to share at least half of his wealth in his lifetime. He has already donated $1.6 billion.
Last year, Zuckerberg and his wife Priscilla disbursed $25 million to help fight Ebola.
Micheal Bloomberg
Michael Bloomberg is the founder and CEO of Bloomberg Media, the former Mayor of New York City and the founder of the Bloomberg Foundation.
His foundation provided donations to the John Hopkins University, the World Lung Foundation, the World Health Organization, the Sierra Club Foundation, and the John Hopkins Bloomberg School of Public Health. He’s donated in total $3 billion to charities.
