After graduating from high school, he joined Yokohama Marinos in 1994.
In 2005, he moved to Tokushima Vortis was just promoted to J2 League.
He lost his opportunity to play in 2007 and retired end of 2007 season.
In April 1995, Omori was selected Japan U-20 national team for 1995 World Youth Championship.
This biographical article related to a Japanese association football defender born in the 1970s is a stub.