Gordon Moore, Intel Co-founder:

An American businessman, co-founder and Chairman of Intel Corporation, Gordon Moore is the author of Moore's Law and the owner of six institutions and has a net worth of $ 5 billion. The Moore couple signed Giving Pledge in 2012.

Moore has given 600 million dollars to Caltech that is the largest donation to a higher education institution. The Moore couple has donated one billion dollars to Gordon and Betty Moore Foundation that focus on issues like environmental conservation, health measures, and the San Francisco community.

Elon Musk, Tesla CEO:

The CEO and CTO of SpaceX and CEO and Chief Product Architect of Tesla Motors, Elon Musk is an Entrepreneur, engineer, inventor and investor. Musk has a wealth of 12 billion dollars and has signed giving pledge in 2012.

Musk has donated one million dollars for Tesla museum and much of his property to renewable energy, science and engineering education and pediatric health.

Larry Page, Google CEO:

The co-founder of Google, Larry Page is an American business magnate and computer scientist who has a wealth of about $ 31.9 billion dollars. He gave off the stocks of his company that is about 177.3 million dollars to charity.

Page says that instead of giving his wealth to his children he would like to give his money to entrepreneurs and businesses with new and creative ideas like Elon Musk.