24Dona Bertarelli- 4.4 Billion
Dona Bertarelli is a Swiss businesswoman who is of Italian origins.
She was active in Serono, which is her family business from 1992 until 1997 where she was executive director where she established Serono Symposia and the Serono Foundation. The company was sold in 2007.
After her father passed, she and her
brother founded the Bertarelli Foundation to promoted the sharing and development of scientific, economic and social knowledge in infertility. Bertarelli is co-president of the Bertarelli Foundation
She is also known as a talented sailor. She won the 2010 Bol d’Or Mirabaud and alongside her team Spindrift Racing she won the Rolex Fastnet in 2013. That same year her team broke the record for the America Discovery Route.