There are two types of GIS people in the world, those who have their GISP’s and those who don’t. (Technically a third group exists for those in the process of applying, but let’s include them in the latter.) Gaining your GISP certification is an invaluable way to advertise your talents and can set you ahead in the competitive GIS field . Surveys have shown that those with GISP’s have been able to gain promotions, raises, and better jobs because of this certification. A GISP…