Petković is the co-founder and CEO of Flaviar, which allows spirits lovers to try a new selection of the best spirits every month. Jugoslav first joined the company as a mentor and investor.
Previously, Petković was the co-founder of the largest Slovenian online store Mimovrste and web hosting company Domenca. Between 2006 and 2011, he served as CEO of both companies, which grew during that time from 5 million euros in sales and 35 employees to over 20 million euros in sales and over 100 employees.
Petković is an entrepreneur who provides advice and mentoring to many Slovenian startups. His specialty is product development for end customers. He is also an active mentor in the English accelerator Seedcamp, works as a business angel, and spends much of his free time cooking.