Each year, Security magazine honors top security executives who positively impact the security industry, their organization, their colleagues and their peers. They change the security landscape for the better. They are nominated by their colleagues and associates, and they are chosen based upon their leadership qualities and the overall positive impact that their security projects, programs or departments have on their shareholders, organizations, colleagues and general public. This year’s Most Influential is organized by eight categories: Corporate Security Practitioners; Cities, Counties, States Security; NGO Security; Information Technology/Cyber Security; Government Security; Security Organizations; Think Tanks/Universities and Defense Sector Security.