Defensive Services International, Inc.
(DSI), is the corporate “umbrella” for all of the
organizations and programs created by Grandmaster Pellegrini to service
the Martial Arts industry and the public-at-large.
☯ Contact Us ☯ MMA ☯ Seminars ☯ DSI Store ☯ Biographies ☯ Testimonials ☯ Cover Stories ☯ Schools ☯ Gallery ☯ Blog Site ☯ Applications ☯








