The Bezos Day One Fund will contribute to "existing non-profit organisations that help homeless families" and also fund "a network of new, non-profit, tier-one pre-schools in low-income communities," he wrote.
Organisations will be given grants for "doing compassionate, needle-moving work to provide shelter and hunger support to address the needs of young families".
He said: "We'll use the same set of principles that have driven Amazon.
SKY News.