Ms. Irini Nikolaou is a national expert in the Directorate-General for Climate Action of the European Commission. In the Ministry for Environment and Energy, she was responsible for the compliance with the requirements of the Emission Trading System (ETS), the Convention on climate change and the Kyoto Protocol. Since December 2015, she has been working on the drafting of the free allocation rules Regulations, concerning the 4th trading period and significantly contributed to the assessment of the data and calculation of the revised ETS benchmark values.