Officer Chicas has been in law enforcement since 1996. He worked for four years as a Community Service Officer with the Redwood City PD until the year 2000, when he was hired by the Belmont PD as a sworn peace officer. Officer Chicas has been a student of mixed martial arts since 1994. He has been a Defensive Tactics Instructor with the Belmont PD since 2003.

He currently has two California POST Defensive Tactics Instructor certifications, as well as Nevada and Missouri POST Defensive Tactics Certifications. Officer Chicas has been a Defensive Tactics Instructor for three years with the South Bay Regional Public Safety Training Consortium in the San Francisco Bay Area, where he teaches at the local Police Academies. Officer Chicas is also a certified Master Instructor Trainer through Force Options.