Sanjin has been involved in the music business since 1996 when he started at Dallas Records. Since 2012, he is head of PR and marketing at the LAA agency and since 2013 at the Zagreb venue Tvornica kulture. He also runs his own PR agency Pola. He has been a member of Exit Festival's team and the director of their Sea Star Festival in Umag since 2007. From 2020 to 2023, he was head of PR of the entire Exit Festival organisation and a member of the board of directors. So far, he has promoted more than 750 concerts, more than 20 festivals and dozens of artists and albums, including some albums of the year.