Jenifer Lynn Alcorn (born July 15, 1970) is an American retired, undefeated WIBA, IWBF, and IBA World Champion female professional boxer.
Alcorn eventually stepped up her level of competition by taking on undefeated Jessica Rakoczy, for the vacant IWBF Lightweight title.
On December 11, 2003, at Palace Indian Gaming Center in Lemoore, California, Alcorn won a ten-round split (96-93 96-93 94-95) decision over Melissa Del Valle for the vacant WIBA Lightweight title.
Alcorn was knocked down by a left hook in the second round, and Del Valle landed effectively with overhand rights throughout the bout.
[6] Alcorn runs a successful 'bootcamp' style workout routine called Team JIB JAB for those who want to better themselves through diet and exercise.