Ludwig Theodor Braun, 33, is the world's youngest billionaire who earned his fortune in healthcare, according to Forbes' live net worth tracker.
Mr. Braun, who has a real-time net worth of $1 billion, owns 10 percent of the medical device company B. Braun Melsungen, which was founded in 1839.
The Germany-based company has more than 64,000 employees globally and manufactures products ranging from infusion and injection solutions to surgical instruments. The company sees annual sales of $8 billion, according to Forbes.
Jeff Tangney, 51, is the youngest U.S.-based healthcare billionaire, with a net worth of $1.2 billion. Mr. Tangney co-founded Doximity in 2010, and now owns 32.9 percent of the $207 million company.
Note: Net worth values are current as of Aug. 23.