Sektor Jiu Jitsu Riverside
About Sektor Jiu Jitsu Riverside
Welcome to Sektor Jiu Jitsu Riverside! Sektor Jiu Jitsu was founded by Sean Roberts in 2016, in Chino, CA. Sean is a highlyrespected former world class competitor from the Ralph Gracie lineage. He stopped competing to focus on building the highly competitive Jiu Jitsu team that Sektor is today.
Head instructor
Jeff Chapman
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Last updated May 30, 2026