Giancarlo started teaching as a Martial Arts Instructor in 2006. He holds multiple Black belts in multiple styles and competed in amateur Kickboxing. He also graduated from California State University Channel Islands with a degree in Business. When he is not managing finances, you will find him in the water.

Hamner took up diving as a Boy Scout at Camp Emerald Bay back in 2008. Being a competitive person, Giancarlo set his sights high. He completed his Dive Master just after his eighteenth birthday and instructor not long after that. He worked as an instructor for the Boy Scouts for two years and was most recently hired as their Director of SCUBA.

Giancarlo has achieved his Master Instructor and holds 16 Specialty Instructor ratings. In his free time he enjoys spear fishing and free diving, and often hunts the Malibu coastline. He is an avid lobster diver and a very good one! When away from diving, he continues to kickbox and is a routine runner.

Favorite Dive Spot: oil rigs, front side Catalina or anywhere that has lobsters!