Roberto Alvelais has been instructing Karate and Tai Chi Chuan to men, women, and children since 1975 and brings a broad, well-rounded perspective to his teaching of the martial arts. Under Master Miki's guidance, Rob has earned the rank of Fifth Degree Black Belt and the title of Shihan (Master Instructor) in Shito-ryu Karate-do. Rob's karate rank and title were presented to him by Master Kenzo Mabuni at the 27th Annual National Shito Ryu Championships and Master's Seminar in San Diego, CA.

Shihan Rob has coached several athletes to national titles in Karate, and has competed successfully, himself, in international competition. He was a distinguished member of the USA Karate Team, winning medals in sparring at the North American Cup, Mexican Olympic Sports Festival and the Caribbean Games.

From 1987 until he opened Pacific Martial Arts in 1993, Rob was the Sensei and Dojo Director for the California Karate Academy. While there, he gave instruction in the Shotokan style of karate well as teaching traditional Okinawan weaponry, self-defense, and the awareness and prevention of child abduction.

Shihan Rob is a Master Instructor in Police Defensive Tactics and also taught courses in self-defense for women from 1985 to 1990. Rob has a degree in Biochemistry from the University of California at Riverside. He was a wrestling and track coach at American High School in Fremont and worked as a substitute teacher in the Fremont Unified and New Haven Unified School Districts. Shihan Rob is an ASEP certified coach and continues to be involved in karate competition as a National-level referee with the USAKF and the AAU.

In 1998, Shihan Rob was honored by being inducted into USA Karate Federation Hall of Fame.