NGstudy certified professionals have a better understanding of negotiation. They are able to negotiate better and gain better deals for themselves and their organizations. They have knowledge pertaining to various tools and techniques used in negotiation which can be used to negotiate better deals as well as to train others to negotiate.
Though there is no mandatory prerequisite for most of the NGstudy certifications, it is always better to understand the hierarchy structure. The diagram below shows the hierarchy or levels of certifications available from NGstudy.