Mauricio "Baboo" Da Silva (born November 28, 1967) is a Brazilian kyokushin kaikan full contact karate practitioner and former professional kickboxer and mixed martial artist.

He is a professional coach and trainer of K-1 and MMA (Mixed Martial Arts), who has trained a number of world class fighters including Francisco Filho (martial artist), Glaube Feitosa, Andrews Nakahara, Ewerton Teixeira, Ray Sefo, Aleksandr Pitchkounov, Takumi Sato, Jan Soukup, Kou Tasei (aka Hong Tae Seong), Jan Nortje, Doug Viney, Mighty Mo (kickboxer) and Akebono Taro.

At age 17, he started Kyokushin studying under Shihan Seiji Isobe in São Paulo along with other students such as Francisco Filho (martial artist).

He also holds a purple belt in Brazilian Jiu-jitsu In 2000, he helped Francisco Filho (martial artist) become the Champion at K-1 World Grand Prix 2000 in Yokohama by beating Cyril Abidi.

After becoming the 9th Kyokushin World Champion in 2007 Ewerton Teixeira entered K-1 in 2008 and joined Team Ichigeki in Tokyo, Japan where he was trained by Mauricio.

In his first year Ewerton won the Japan K-1 WGP Tournament Championship Title Belt by defeating Keijiro Maeda in the final at the K-1 World GP 2008 in Fukuoka.

Ewerton qualified for the top 8 at K-1 World Grand Prix 2008 Final after defeating Musashi (kickboxer) but in the quarter-final ended up losing a close fight against Errol Zimmerman by decision.

Kou Tasei (aka Hong Tae Seong) who was placed 3rd at the KOK World GP 2010 in Chisinau an 8-man -85 kg tournament.

Mauricio trained a number of visiting fighters at the Ichigeki Plaza including Jan Nortje who Mauricio trained in MMA and kickboxing for fights against fighters such as Peter Aerts at K-1 World GP 2008 in Fukuoka, Gary Goodridge at K-1 Hero's 8, Tom Erikson for the Gladiators/Deep event in Okayama [7] which Jan won and against Rameau Thierry Sokoudjou at the Dream 9 -Super hulk Grand Prix 2009.