Kunej has more than 20 years of various work and business experience, which he gained both in establishing his own company Viny Greta that participated in the Štartaj Slovenija project, and as a member of the management teams of Flikka d.o.o. and GenePlanet d.o.o., where he was in charge of marketing activities and development of new products. He gained extensive experience at Microsoft Slovenia, where he was responsible for the business development of various product groups.