Jonas von Essen
| Jonas von Essen | |
|---|---|
| Jonas von Essen (2016) | |
| Born | 24 April 1991 | 
Baron Jonas von Essen (born 24 April 1991) is a Swedish two-time world memory champion. He was a memory sports player from 2012 to 2015. In April 2019 he co-founded memoryOS, an ed-tech startup developing memory improvement software.