is an economist with financial specialization. After working for large accounting and IT firms Petr specialized as a senior consultant in the telecommunications industry focusing on regulatory issues, financial analysis and controlling, analysis of processes and activities. His key experience is in the area of product tariffing in the regulatory environment using Activity Based Costing, Building Block Costing and Long Run Incremental Costing methodologies. Petr has performed costing analyses in many countries for the purpose of tariffing regulation on behalf of regulators or regulated operators. He is an expert in data collection, cost modeling and developing unit tariffs based on the model results.