5. Mackenzie Dern
Mackenzie Dern is a highly decorated Brazilian jiu-jitsu practitioner who currently ranks at #1 in IBJJF rankings. She began training when she was just 4 years old under her father Wellington “Megaton” Dias, who himself is one of the top ranking BJJ practitioners in the world.
At only 23 years old, Dern is already a black belt in BJJ and and holds world championships in both gi and no-gi competitions. She is currently in transition to an MMA career, having made her debut at Legacy FC 58 against Kenia Rosas on July 22nd. She won the fight via dominant unanimous decision, signifying that her career is one to watch closely.