Marijan is a 31-year-old marketing professional with huge experience in sports marketing. He is also the author of the most popular marketing book in 2019 in Croatia, Atomski Marketing, and a marketing manager in one of the highest growing IT companies in Croatia, AGENCY04.  With his team in Overtime sports marketing, Marijan wrote the 1st eBook about the use of Snapchat in sports in the world. They also won the International SPORTO Media Award for work with RTL television on a project for the Men's Handball World Championship, Qatar 2015. In sports, he has worked with clubs, federations, and events including the Croatian Judo Federation, Futsal Dinamo, Grand Prix Osijek Žito Challenge Cup, KK Cedevita Zagreb, NK Osijek, Futsal Club Osijek Kelme, Futsal Club Osijek 031, Football Fest, Navijačnica and many more. In 2019. he had education for the clubs of the Ukrainian Premier League about digital marketing.

He was a marketing manager at the leading business school in Southeast Europe, COTRUGLI Business School. He is still working within the project Futsal Week (national teams and clubs) tournaments that have taken place at Poreč, Croatia, and as a lecturer at the Business Academy Experta.