Net Worth 2020 $ 37.5 Million
Elina Berglund Scherwitzl (born 1984) is a Swedish particle physicist and entrepreneur who, together with her husband Raoul Scherwitzl, has developed an app to indicate the days when a woman is most fertile. It can be used both for birth control and for planning a family. The app is marketed as Natural Cycles, which is also the name of the company the couple founded to produce it in 2013.