Istvan worked at the cooperating law firm of PricewaterhouseCoopers for 9 years before founding Apelso Trust Zrt alongside Gyorgy Antall and Peter Vajai.
In the last few years, he has worked on corporate transactions, real estate and court cases. He’s also provided family asset planning and trust advisory services for significant private clients with Gyorgy Antall. Istvan is an acknowledged expert of trust law, he is the co-author of the first Hungarian book on trusts and he’s written a number of articles for law reviews. He participated in the establishment of the concept behind the 2013 Civic Code.