Hansjörg Wyss

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Hansjörg Wyss

Swiss billionaire and progressive donor

Hansjörg Wyss is a Swiss-born billionaire who funds progressive advocacy through his Wyss Foundation and its 501(c)(4) affiliate, the Berger Action Fund. The New York Times reported he has become one of the most influential donors on the American left. [Swiss Billionaire Quietly Becomes Influential Force Among Democrats ↗]

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Entries here reflect documented financial, professional, or organizational ties drawn from public records — campaign-finance filings, corporate and regulatory disclosures, and reporting. Appearing in this graph is not an allegation of wrongdoing. Every claim shown links to its source. How we source this · Request a correction