By reading this koob, you will discover how Bill Gates, mastermind of the western world’s first mass-market computer software, redirected his intellect and wealth towards humanitarian aid—on an unprecedented scale.

You will also discover:

• How Bill Gates built Microsoft

• His fraught relationship with co-founder Paul Allen

• The work of the Bill & Melinda Gates Foundation

• Bill’s efforts to fight disease and climate change

• Bill’s early years at school and how he got involved in computer programming

Founder of the world’s biggest computer software company, Bill Gates has now changed his focus from computer programming to philanthropy, using his knowledge of data (and vast wealth) to try and eradicate humanitarian crises. He and his wife are behind the world’s largest private charitable foundation and are setting their sights high. How do you go from building software to saving the planet?