Marian Holienka, doctoral student at Comenius University in Bratislava and GEM Slovakia team member held a guest lecture Within the course Authentic Leadership, taught at the second semester of Graduate Specialist Program in Entrepreneurship. Marian presented a comparison of entrepreneurial activity in Croatia and Slovakia according to the GEM research to students of the fifteenth class of GPE. Presentation was held at the Faculty of Economics in Osijek on November 08, 2012.