- Source of Wealth: Business and Company
- Age: 54
- Birth Place: Bad Homburg, Germany
- Marital Status: Married to Katharina Quandt
- Nationality: German
- Date of Birth: May 9, 1966
- Occupation: Businessman
- Education: University of Karlsruhe
- Children: one daughter
German engineer and industrialist Stefan Quandt has an estimated net worth of $16.2 billion in July 2019. He is #81 in the World Billionaires List (#76 in 2012) and #6 Richest People in Germany according to Forbes.com. Born on May 9, 1966 in Bad Homburg, Germany, he studied engineering at the University of Karlsruhe between 1987 and 1993. He worked for the Boston Consulting Group in Munich from 1993 to 1994, and Datacard Group Minneapolis, a smart card maker, in Hong Kong as a marketing manager from 1994 to 1996.
As the son of the late Herbert Quandt, Stefan inherited 17.4% of BMW, a German automaker, in 1982. Along with his sister, Susanne Klatten who is also a billionaire, he sits on the supervisory board of the company. His mother, Johanna Quandt, also owns a percentage of the stake in BMW along with her million-dollar fortune.
Stefan Quandt has also inherited from his father several substantial holdings in several companies under his holding company, Delton AG. As a trained engineer, he manages the pharmaceutical company whinow has an estimated value of $2 billion in sales. Companies under Delta AG include CEAG (76.8%) – small power supplies and recharging devices for mobile phones, Logwin AG (50.3%) – formerly Thiel Logwin, a logistics and freight forwarding company, Heel GmbH (100%) – a company that makes homeopathic medicines, and CeDo Household Products (100%) – maker of freezer bags, plastic and aluminum wraps and foils, bin liners, and coffee filters.