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The Ledger / Dona Bertarelli

Dona Bertarelli

Net worth unknownHealth CareForbes #430CH

◼ Origin

Inherited a controlling stake in Serono biotech from her father Ernesto Bertarelli Sr.; she and her brother Ernesto Jr. sold Serono to Merck KGaA for €10.6B in 2007, generating the family's current fortune.

◼ Self-Made Verdict — INHERITED

Received Serono stake as inheritance; the sale to Merck KGaA for €10.6B was her primary wealth-generation event.

◼ Documented marks

01

Co-inherited the Bertarelli family fortune from the 2007 Serono sale to Merck KGaA for €10.6B; split the proceeds roughly equally with brother Ernesto Jr.

02

Serono's Rebif (multiple sclerosis drug) was investigated by US DOJ in 2005; Serono SA and subsidiaries pled guilty and paid $704M to settle off-label marketing charges — the largest pharma criminal fine at that time.

03

Manages the Bertarelli Foundation focused on marine conservation; also known for America's Cup sailing sponsorship.

No inheritance, or primary accounts documented for this billionaire yet.

◼ List of charges

No documented charges yet.

These are moral charges, not legal ones. The actual legal system has not — and will not — bring them.