Helena Sladkovská, knowledge manager Helena Sladkovská has been dealing with tax matters since 1991, when she joined Arthur Andersen in Prague. Since 2008, she has been Ernst & Young’s Knowledge Manager, responsible for knowledge development within the Prague Tax practice. Helena obtained her degree from the University of Economics in Prague. She has been a tax advisor registered with the Czech Chamber of Tax Advisors since 1993. Helena is also a member of the International Fiscal Association (IFA). Helena speaks Czech, English and basic Russian.