In March 2017, with an estimate net worth of US$1.1 billion, Chrenko became the first ever Slovak billionaire, according to Forbes.
[2] Prior to Chrenko, Andrej Babiš became the first person of Slovak origin with a net worth above $1 billion, but he later became a citizen of the Czech Republic.
Ivan Chrenko was the co-owner of HB Reavis together with Slovak multi-millionaire Viliam Pančík, and was its CEO from 1994 to October 2013.
He started his first business in the mid-1990s together with his partner Viliam Pančík, specializing in audio equipment and electrical engineering.
[5] Chrenko experienced his first major success with the development of the Aupark shopping malls in various cities in Slovakia and Czech Republic.