Hansjörg Wyss (born 19 September 1935) is a Swiss billionaire businessman and donor to politically liberal and environmental causes in the United States. He is the founder and the former president and chairman of Synthes USA, a medical device manufacturer. His Wyss Foundation has more than $2 billion in assets. As of 2021, Wyss had a net worth of US $5.8 billion, according to Forbes.[1] Having donated hundreds of millions of dollars to environmental causes, he has more recently increased his donations to groups promoting progressive causes.
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