Billionaire of the day

Susanne Klatten (born Susanne Hanna Ursula Quandt on 28 April 1962) is a German heiress, the daughter of Herbert and Johanna Quandt.
On her father’s death she inherited his 50.1% stake in Altana. She sits on Altana’s supervisory board. In 2009, she bought almost all shares she did not already own in Altana.
Her father also left her a 12.50% stake in BMW, but following the death of her mother in 2015, her stake in BMW is now 19.2%. She was appointed to the supervisory board of BMW with her brother Stefan Quandt.
Her net worth was US$20.3 billion, making her the richest woman in Germany