Leadership is the ability to direct and manage other people, whether within formal or informal contexts. It requires skills such as decisiveness and communication, which may be acquired through participation in a leadership educational program.

Greece, officially the Hellenic Republic, or Hellas as called from ancient times, is a country in Southeast Europe. According to the 2011 census, Greece's population is around 11 million.

A Master of Science or MSc is a postgraduate degree typically in the fields of sciences and social sciences. MSc may be course-based, research-based, or a mixture of the two.