Dejan Nikolić graduated from the Faculty of Electronic Engineering in Niš. He is currently employed as a teacher at the Technical School in Zaječar. He participates in programs organized by Junior Achievement Serbia, the Petlja Foundation (“Teacher for the 21st Century” program), and the Institute for Education and Upbringing (as a member of the team for the final exam in the field of Computer Engineering). He is also involved in the Erasmus program at his school and is a member of the Engineering Chamber of Serbia. He is the initiator of the Galaksija Cup competition and the Winter School of Programming in Zaječar. As a mentor, he has guided student teams participating in competitions organized by the Talent Center, the Student Project Conference of the Faculty of Electronic Engineering in Niš, Metropolitan University, and the Best Technological Innovation competition in Serbia.