With a strong background in Mathematics and IT education, Mr Koljic brings a wealth of experience to BISL. Having taught in IB and public schools for seven years across the Europe, he is passionate about making mathematics engaging, meaningful, and applicable to real life. By integrating technology, programming, and interdisciplinary approaches, Mirza fosters critical thinking and problem-solving skills in students.

Beyond the classroom, Mirza is an active sports enthusiast and enjoys spending time outdoors, whether practicing martial arts, hiking, or engaging in various team sports. A strong believer in building connections, he values socializing, collaborating with colleagues, and creating a positive learning environment where students feel inspired and motivated to succeed.