Chuck Feeney

Charles Francis "Chuck" Feeney (born April 23, 1931) is an Irish-American businessman and philanthropist. He is the founder of The Atlantic Philanthropies, one of the largest private foundations in the world.
Feeney made his fortune as a co-founder of the Duty Free Shoppers Group, which pioneered the idea of duty-free shopping. Feeney gave away his fortune in secret for many years, until a business dispute resulted in his identity being revealed in 1997. Over the course of his life, Feeney has given away more than $8 billion.
Feeney is known for his frugality, living in a rented apartment, not owning a car or a house, and flying economy-class.