Sándor Kolumbán is a computer scientist, applied mathematician and company manager. He holds a bachelor’s degree in computer science and a master’s degree in applied mathematics from the Budapest University of Technology. He spent 15 years abroad – in Hungary, Belgium, and the Netherlands, and then returned to Odorheiu Secuiesc to further apply his knowledge at home. Since 2019, he has been an adjunct professor at the Hungarian Institute of Mathematics and Informatics of UBB and the managing director of Explorer Consulting. In the field of applied mathematics, he does research in estimation and prognosis, and his applied research is mainly related to renewable energy and retail. His company is developing ARBIRA, an XR-based solution for the automation industry. Besides his professional activities, he is an active member and driving force of local professional communities such as U-hub and IT Plus Cluster.