German IT entrepreneur Dietmar Hopp is the cofounder and former chairman and CEO of SAP, a multinational company that provides application and analytics software and software-related services for enterprises worldwide.
Twenty years ago, Hopp established Dietmar Hopp Stiftung, a foundation that supports local education, sports, and health causes in his hometown in Germany, including the Heidelberg Institute for Stem Cell Technology and Experimental Medicine (HI-STEM), University Hospital Heidelberg, and the Nathalie Todenhofer Foundation.
Paris-born, Iranian-American Pierre Omidyar is cofounder and current chairman of eBay.
In 1998, he and his wife, Pamela, established the Omidyar Foundation, an organization that now includes Omidyar Network, HopeLab, Humanity United, and Ulupono Initiative. The organization donates to a diverse range of causes, including entrepreneurship, human rights, food and energy, and games and technology. In 2012, Omidyar and his wife joined the Giving Pledge initiative started by Warren Buffett and Bill Gates, promising to donate most of their wealth to charities.
In August 2015, Omidyar reportedly sold 10% of his shares in eBay to undisclosed charities — a stock gift valued at nearly $270 million.
Michael Dell is the chairman and CEO of Dell computer company. Since 1999, he's been the director of the Michael and Susan Dell Foundation, which gives primarily to education, social and human services, arts and culture, and community-development causes.
Earlier this year, the foundation pledged to donate $25 million to fund the construction of a new teaching hospital in Austin, Texas.
James Simons is chairman of investment-management company Renaissance Technologies, one of the largest and most successful hedge fund companies in the world with $65 billion in assets. Simons served as the company's CEO until retiring in 2009.
Twenty-one years ago, Simons and his wife Marilyn established the Simons Foundation, which primarily supports educational causes. Since then, the couple has founded two additional organizations in memory of their two sons who died in 1996 and 2003: The Paul Simons Foundation gives to social and educational causes, and the Nick Simons Foundation trains rural healthcare workers in Nepal and gives to humanitarian and social causes.
Simons has also donated $30 million to autism research and has pledged to donate $100 million more.
Ted Turner, formerCEO of Turner Broadcasting System (TBS) andvice chairman and director of AOL Time Warner, is the current chairman of Turner Enterprises, a diversified holding company.
Turner also serves as trustee of the Turner Global Foundation and chairman of the Turner Foundation, which both donate to community development and environmental and wildlife conservation causes.
The UN Foundation is also a chief recipient of Turner's donations. In 1997 he pledged $1 billion to the foundation, which promotes causes related to women and population, children's health, environment, world peace, and security.
Jon Huntsman Sr. is the founder and executive chairman of Huntsman Corporation, a chemical product manufacturer.
Huntsman has reportedly survived prostate and mouth cancer and, as a result, established the Huntsman Cancer Institute at the University of Utah. Many of his charitable donations have been to colleges and cancer-research centers. He and his wife also agreed to join Buffett's Giving Pledge, promising to donate 50% of their wealth.
Li Ka-shing is a global investor in disruptive technology and one of the richest men in Asia.
In 1980, he established the Li Ka-shing Foundation to support education, healthcare, culture, and community-related causes. The foundation's biggest project to date was funding Shantou University, the only privately funded public university in China. Li has also made personal donations to the China Foundation for Disabled Persons and flood-victim relief in China.
Facebook founder and CEO Mark Zuckerberg is one of the youngest self-made billionaires in the world. The social-media mogul has signed the Giving Pledge and promises to donate at least half of his wealth in his lifetime.
Last year, Zuckerberg and his wife Priscilla famously donated $25 million in the fight against Ebola. Through the Silicon Valley Community Foundation, Zuckerberg gave $75 million to San Francisco General Hospital.
They're also focused on education: The pair gave $120 million to improve Bay Area schools, and before that, donated $100 million worth of Facebook shares to a New Jersey public-school system.
Paul Allen, cofounder of Microsoft, now serves as the chairman of Vulcan, his private-investment company.
As chairman of the Paul G. Allen Family Foundation, he's given millions to global-health causes, including $5 million to Seattle BioMed, $4 million to Global FinPrint, a conservation project focused on the preservation of sharks worldwide, and $7 million in grants to Alzheimer's research.
Michael Bloomberg is the founder and CEO of Bloomberg media company and founder of the Bloomberg Foundation, which gives primarily to educational, healthcare, and environmental causes. Recipients of the foundation's donations include John Hopkins University, World Lung Foundation, World Health Organization, Sierra Club Foundation, and John Hopkins Bloomberg School of Public Health.
Most recently, Bloomberg launched a $42 million "What Works Cities" initiative aimed at helping 100 mid-sized cities to make better use of data and evidence through his philanthropic arm, Bloomberg Philanthropies.
George Kaiser, chairman of BOK Financial Corporation, also founded the George Kaiser Family Foundation, which gives to educational, health, religious, social, and community-development-related causes, including the Tulsa Community College Foundation, Oklahoma City Educare, National Energy Policy Institute, the Tulsa Community Foundation and the University of Tulsa.
In 2010, Kaiser joined the Giving Pledge, vowing to donate half of his fortune to charity.
The foundation has invested $100 million in the World Wildlife Fund toward efforts to conserve Mexico's natural environment, and in 2012, it gave $3 million to help provide internet to Latino families living in the US, in addition to many other donations to international organizations.
Gordon Moorecofounded Intel in 1968, but these days he is focused on philanthropy. He retired from his corporate positions in 2006, and currently runs the Gordon and Betty Moore Foundation with his wife.
Back in 1957, Sulaiman bin Abdul Aziz Al Rajhi cofounded Al Rajhi Bank with his three brothers. It grew into one of the world's largest Islamic banks and earned Al Rajhi a 10-digit net worth.
But in 2013, he shifted his focus toward philanthropy and endowed his holdings in the bank to Sulaiman bin Abdul Aziz Al Rajhi Endowments Holding Company, which supports educational, religious, health, and social causes, including the Arab Institute for Arabic Language, National Guard Health Affairs, and the Sheikh Sulaiman bin Abdul Aziz Al Rajhi Mosque in Riyadh, Saudi Arabia.
In addition to serving as the chairman of Indian consulting and IT company Wipro, Azim Premji is the founder and chairman of the Azim Premji Foundation, which works to reform India's school and examination systems.
The organization operates through Premji's earmarked Wipro stock, and has introduced initiatives such as the Computer Aided Learning program, which provides computer training in 18 languages, and Azim Premji University, a nonprofit university that awards degrees in teacher training.
George Soros, the retired founder of Soros Fund Management, currently serves as the chairman of the Open Society Foundations, a network of foundations he founded in 1979, which primarily donate to international causes, community development, social services, health, and education.
While he is best known as the cofounder of Microsoft, Bill Gates now focuses most of his time on philanthropy, running the Bill & Melinda Gates Foundation alongside his wife.
The foundation issues grants for initiatives and programs across the globe, focusing on agricultural development, emergency relief, global libraries, urban poverty, global health, and education.
Since its inception, the foundation has donated millions to organizations that include the GAVI Alliance; the World Health Organization; The Rotary Foundation; The Global Fund to Fight AIDS, Tuberculosis, and Malaria; and UNICEF.