Source:
Wikipedia
Hansjörg Wyss
According to Forbes, Wyss is “among the most philanthropic people in the world”.Between 2004 and 2008, Businessweek estimated that Wyss personally donated nearly USD$277 million. His giving has increased since the sale of Synthes in 2012 and in 2013 he signed The Giving Pledge, agreeing to give away the majority of his fortune.The assets of his charitable foundations equal nearly $2 billion.