Zarko has 16 years of gaming experience, working for Croatian Lottery in different senior positions. He was project leader on many games related projects. From implementing online system in retail network In the late 90`, introducing new games like TV Bingo and contributed in starting the Croatian Series of Poker. Recent projects include internet gaming operations (lotto, bingo, various betting games, scratch cards) and new small POS lottery retail network. For the last decade Zarko has also been advising government bodies concerning the laws on games, gaming technology and responsible gaming. He has a B.Sc. E.E. degree, from University of Zagreb, Faculty of Electrical Engineering and Computing.