WITH CARLINHOS GRACIE BRAZIL RIO DE JANEIRO 2004

WITH MARIO SPERRY AT THE BRAZILIAN TOP TEAM BRAZIL RIO DE JANEIRO 2004

SIFU SERGIO TEACHING WING TJUN KUNG FU THEORIE AT HIS HQ

SIFU SERGIO WITH DUTCH FREE FIGHTING
LEGEND BOB SCHRIJBER AMSTERDAM 2004

SIFU SERGIO GROUNDFIGHTING SEMINAR IN NAPLES ITALY 2004

SIFU SERGIO INSTRUCTORS SEMINAR IN NAPLES ITALY 2004

SIFU SERGIO SEMINAR IN SPAIN

SIFU SERGIO SEMINAR IN AMSTERDAM

SIFU SERGIO WITH GRANDMASTER CHIU CHI LING (KUNG FU HUSTLE MOVIE) OF THE
HUNG GAR STYLE HONG KONG 2004

WITH SIFU CHENG KWONG HONG KONG 2004

AFTER A SMALL KIDS TESTING SEMINAR AT THE
HQ AMSTERDAM

SIFU SERGIO WITH BRAZILIAN JIU JITSU GRANDMASTER FLAVIO BEHRING AND CHIEF INSTRUCTOR FOR SPAIN ALFREDO VALIA JORT

SEMINAR IN GERMANY IWKA HQ

SIFU SERGIO WITH FABRIZIO WERDUM THE PRIDE STAR AND PROFESSOR FLAVIO BEHRING 9TH DAN BRAZILIAN JIU JITSU SPAIN MADRID 2005

AT FABRIZIO WERDUMS HOUSE IN MADRID WITH PROFESSOR FLAVIO BEHRING 9TH DAN BRAZILIAN JIU JITSU SPAIN MADRID 2005

SIFU SERGIO GIVING A BIG SUMMER TRAINING CAMP ON WING TJUN AND BRAZILIAN JIU JITSU ITALY ROME 2005

PAYING RESPECT AT THE GRAVE OF GRANDMASTER YIP MAN HONG KONG 2006

LEARNING CHINESE MARTIAL ARTS THEORIES FROM SIFU CHENG KWONG HONG KONG 2006

LEARNING FROM SIFU CHENG KWONG THE WU DIP DAO KNIVES FORM OF SIFU PANG NAM
HONG KONG 2006

WITH SIFU WANG KAM LEUNG OF THE PRACTICAL WING CHUN STYLE HONG KONG 2006

THE MASTER CERTIFICATE OF SIU LAM (CHI SIM)WING TJUN GIVEN IN HONG KONG 2006