Mission
At Mantis Jiu-Jitsu
At Mantis Jiu-Jitsu, our mission is to bring disciplined, effective Brazilian Jiu-Jitsu to the South City community. Our program is built on structured instruction, pressure-tested techniques, and a clear path of progression. We blend traditional fundamentals with modern, competition-proven methods to help students train with purpose. Whether you’re here to compete, learn self-defense, or just show up and put in the work, we’re here to guide your growth honestly, consistently, and with intention.
What Sets Us Apart
At Mantis Jiu-Jitsu
We were built with this community in mind. We believe great training should be accessible and rooted where people live and work. We’re not just teaching technique, we’re building connections, fostering discipline, and creating a space where everyone can grow at their own pace
Our approach is local and personal. We understand the rhythm of the neighborhood and what it takes to show up consistently. That’s why our focus is on steady progress, real skill development, and a supportive environment that pushes you
Michael Rosenberg
Head Instructor, Mantis Jiu-Jitsu
Michael Rosenberg is a Brazilian Jiu-Jitsu black belt and the founder of Mantis Jiu-Jitsu in South San Francisco. He began training in 2011 and has spent over a decade competing, teaching, and refining a clear, technical approach to the art. A multiple-time IBJJF medalist, Michael focuses on teaching strong fundamentals that hold up under pressure, whether you’re training for the first time or preparing to compete.
His classes are structured, straightforward, and built to help students develop real skill through consistency and hard work.
