Mark Zuckerberg

Zuckerberg joined the Giving Pledge in 2010. A joint letter with Priscilla Chan, dated 9 November 2015, reaffirmed giving back at least half their wealth during their lifetimes and described priorities spanning education, science and health. This entry represents that joint commitment once, with Chan credited as a co-author. The statement explains their intended direction, rather than providing an independently verified tally of completed charitable transfers.