Sergio Castillo is experienced with Wrestling and Grappling. He has also competed as an Amateur Boxer and in MMA. He teaches Boxing and Grappling Classes as well as Youth Classes.
Sergio started Grappling in 2010 and competed in several tournaments as well as in Judo tournaments. The competition was addicting and to this day he has fought in MMA where he remains Undefeated. Boxing Inc became a part of his life in 2012.