Stefan Quandt, who was born on May 9, 1966, in Bad Homburg, Germany, is a respected German billionaire heir, engineer and industrialist. He is famously known for his large stake in the multinational automaker BMW.

Table of Contents
Net Worth
Stefan Quandt’s net worth is estimated to be about $21.6 billion as of December 2024, mostly as a result of his extensive stakes in BMW and other family investments.
Biography
Aspect | Details |
---|---|
Full Name | Stefan Quandt |
Date of Birth | May 9, 1966 |
Age | 58 (as of December 2024) |
Place of Birth | Bad Homburg, Germany |
Citizenship | German |
Education | Degree in Economics and Engineering, University of Karlsruhe |
Profession | Businessman, Industrialist, Deputy Chairman of BMW |
Net Worth | $21.6 billion (as of December 2024) |
Family Background | Son of Herbert Quandt (rescued BMW) and Johanna Quandt |
Marital Status | Married to Katharina (since 2005) |
Children | One daughter (born December 31, 2005) |
Residence | Frankfurt, Germany |
Major Holdings | 23.6% ownership in BMW, 87% ownership in Logwin (logistics provider) |
Cars and Assets | Likely owns luxury vehicles and high-end properties (specifics undisclosed) |
Stefan Quandt was born in Bad Homburg, Germany, in May 1966. He is the son of Herbert Quandt and Johanna Quandt. His father Herbert had inherited the German automaker BMW from his mother and stepfather. His father Herbert made BMW successful by transforming it into an industrial giant. Stefan’s mother, Johanna, passed away in 2015 at the age of 89.
Education
AI Generated Text: Stefan acquired a diploma (German equivalent of a Master’s degree) from Karlsruhe Institute of Technology. He subsequently went to Vienna, Austria, where he pursued mechanical engineering for almost two years.

Son
Stefan Quandt is the son of the late industrialist Herbert Quandt and Johanna Quandt. His father, Herbert, is credited with saving BMW from bankruptcy in the 1960s—a move that cemented the family’s enduring influence over automaker BMW. His mother Johanna owned nearly 20% of the automaker until her death in 2015.
Wife and Personal Life
Stefan is married to Susanne Klatten, the richest woman in Germany and 38th wealthiest person in the world as of 2017. They have three children together.
House
Stefan was born in 1967. He lives with his wife Katharina, who is a software engineer, and their daughter (born on New Year’s Eve 2005) in Frankfurt, Germany.
He keeps an extremely low profile.

FAQs
Where does Stefan Quandt live?
Stefan Quandt resides in Frankfurt, Germany.
No information about his house and car collection is given to the public, but with such massive wealth, he probably owns very high-end properties and luxury vehicles.