| Name: | Jack Hermansson |
| Alias: | The Joker |
| Nation: | Sweden |
| Team: | Frontline Academy |
| Weight Class: | Middleweight |
| Born: | June 10, 1988 |
| Height: | 73.00 in / 185.42 cm |
| Weight: | 185.0 lbs / 83.90 kg |
| Reach: | 77.50 in / 196.85 cm |
| Leg Reach: | 46.50 in / 118.11 cm |
| Pro MMA debut: | July 17, 2010 |
| MMA Record: | Sherdog |