As a tax advisor he has been providing advice in the field of tax and accountancy to international and local companies in Bratislava since graduating from the University of Economics. In 2008 he became a member of the Slovak Chamber of Tax Advisors and in 2010 he established the LEON consultancy group in Bratislava which provides tax consultancy and auditing services, in particular to foreign investors. His primary areas of activity include tax optimisation of multinational structures, M&A and business development. He regularly lectures on tax legislation in Germany and Austria. He is married, with two children who fully occupy his free time.