Over 3000 people around the world work for GIA. Some are expert gemologists and researchers who are dedicated to the study, grading, and identification of gemstones. Some are student-focused educators who are committed to teaching about gems, jewelry and the industry. The rest are highly skilled professionals representing almost every aspect of the business world. GIA has offices, laboratories and educational sites in 14 countries around the world with its global headquarters in Carlsbad, California, USA.