The Americans Who Gave Away The Most Money In 2013 1. Mark Zuckerberg and Priscilla Chan Total:$992.2 million Recipients: Silicon Valley Community Foundation Who gave away the most money of any American last year? Facebook billionaire Mark Zuckerberg, 29, and wife Priscilla Chan, 28, who donated nearly $1 billion to the Silicon Valley Community Foundation. That gift made up a sizable chunk of the $7.7 billion the top 50 Americans gave away to philanthropic causes in 2013, according … [Read more...]